The president plans to attend the memorial service for the shooting victims.

"Nightline's" Terry Moran discusses the bravery of the first responders.

Fort Hood gunman's family says he witnessed horrific injuries at Walter Reed.

Many do not realize how frequent mass shootings in America have become.

Bill Weir takes a look at the hardships Muslim soldiers in America must face.

Army chief of staff Gen. George Casey Jr. talks about the Fort Hood tragedy.

Civilian officer Sgt. Kim Munley's courageous actions saved lives at Fort Hood.

Bob Woodruff reports on victims who tragically lost their lives at Fort Hood.

Maj. Hasan denounced the Iraq and Afghanistan wars in an online post.

Financial expert Mellody Hobson answers viewer questions.

Factors you need to consider for the best prescription drug coverage.

Everything you need to know about this lucrative tax incentive.

Sleek, innovative cameras that make great gifts.

Verizon's new "Droid" phone offers new apps.

Fancy clothing or lack of coats prevents children from outdoor play at daycare.

Stephanopoulos decodes the week's economic, health care and election news.

Authors of "I am Martin Eisenstadt" sit down with "Top Line."

Fitness trainer Brett Hoebel shows you how to tone up and flatten your belly.

Find out how to keep your pets safe from the swine flu virus.

Hearty side dishes to round out your Thanksgiving dinner.

Life and Style's Dawn Yanek weighs in on Rihanna's interview with Diane Sawyer.

Sucker punches surface in a college match between Brigham Young and New Mexico.

Catholics are upset over recent "Curb Your Enthusiasm" episode.

Bloomberg's Matt Miller analyzes the report that shows 10.2% unemployed.

Kiplinger.com's 11 tips to get quick cash.

Greg Harper talks us through the latest gadgets.

Tanya Rivero anchors a recap of "Good Morning America."

Hal Holbrook wows critics in "That Evening Sun."

Mellody Hobson tells college students how to start out on the right track.

Maj. Khalid Shabazz spoke with Maj. Nidal Hasan about holding Muslim services.

Lt. Gen. Robert Cone describes Sgt. Kimberly Munley's actions at Fort Hood.

Go to middle America: the frontline for the amphetamine and marijuana trade.

What is it like being a Muslim in today's military?

A first responder talks about dealing with the injured at Fort Hood.

Brian Ross looks at Major Nidal Malik Hasan, suspected shooter in the massacre.

An Army major goes on a murderous rampage at Fort Hood.

Pop star discusses how ex-boyfriend Chris Brown turned on her in brutal attack.

Why are hundreds of kangaroos overrunning towns in the Australian outback?

Maj. Nidal Malik Hasan may have been affected by his patients' traumas.

Nadir Hasan says harassment over his ethnicity is what got to the gunman.

Sgt. Salvatore "Rico" Sanchez describes the scene when the gunfire erupted.

Lt. Gen Robert Cone describes the response from soldiers on the scene.

Maj. Nidal Malik Hasan is a psychiatrist who treated soldiers back from war.

The actor allegedly assaulted a photographer while shopping with his family.

Verizon's first smartphone to run on Google software goes on sale.

Lt. Gen. Robert Cone says suspect Maj. Hasan is alive and in custody.

New research suggests that babies' cries mimic the accents of their mothers.

Suspected gunman, Maj. Nidal Malik Hasan, is a licensed psychiatrist.

The difference between debt management, debt settlement and bankruptcy.

Politico's Jonathan Martin chats about the election fallout on "Top Line."

CEO of Caldwell Banker Real Estate tells us why now is the right time to buy.

Many patients awaiting the vaccine are angry over CDC distribution decisions.

The Texas military post serves as a processing center for troops going to war.

About 15,000 troops currently serving in Iraq deployed from Fort Hood, Texas.

Star and director on their controversial new movie.

Gunman opens fire on soldiers and civilians at the largest U.S. Army base.

The health risks associated with the excessive use of high heels.

Could new technology be more harmful for coronary bypass patients?

At least 12 are dead after a soldier opened fire at the Fort Hood military post.

Tips to make sure your child is getting enough of this essential vitamin.

Officials fear more gunmen at large after Fort Hood shootings.

Gunman kills at least 7 and wounds 12 at Fort Hood.

Gretchen Rossi discusses the new season of "Real Housewives of Orange County."

The actor talks about the second season of "Legend of the Seeker."

The author talks about his writing and publishing career and his new book.

'The Note': Health Care House Call

Patty Cannady describes her daughter as "beaten beyond recognition."

Rescue diver demonstrates the hidden dangers of a stock pond.

Congress is poised to pass legislation to extend help to struggling Americans.

Dr. Richard Besser discusses the first documented case of H1N1 in a cat.

The author of "Act Like a Lady, Think Like a Man" offers relationship advice.

Chris Cuomo anchors a recap of "Good Morning America."

Elisabeth Leamy takes a closer look at eco-friendly products.

Pop star speaks out about the night her ex-boyfriend Chris Brown attacked her.

New research suggests "beating heart" surgery may not be the best method.

The Bronx Bombers beat the Philadelphia Phillies to win its 27th World Series.

The phone company will charge $350 to end a phone contract.

Juju Chang and Romi Lassally discuss how modern moms can tackle "The Drug Talk."

Positive parenting tips to help avoid screaming at your kids.

Tips for keeping your computer virus free.

The newest e-readers and musical cell phones.

Dr. Neil Bernstein shares ways to discuss drugs with your kids.

George Stephanopoulos, Jake Tapper and John Karl on the off-season elections.

A registered sex offender allegedly amassed ten bodies without anyone knowing.

A company has a monopoly on producing a drug that protects children from H1N1.

Find out how to budget wisely to avoid falling into the holiday debt trap.

Health care reform may improve treatment of patients with chronic pain.

The best and worst foods to snack on after leaving the gym.

Young girl left notes for family to find after she died of cancer.

Doctors hope new devices will help bring better sound to the hearing-impaired.

Us Weekly's Rebecca Bienstock reflects on the week's top celebrity news.

A bandit in Florida loses his firearm to a hotel desk clerk and flees the scene.

Jerome Bettis talks about the Falcons, Madden and fantasy football.

Age is just a number to these older citizens who hit the hard court.

Laura Posada on fitness, nutrition and being a Yankee wife.

Bloomberg's Sara Eisen analyzes the Fed's interest rate decision.

Chris Cuomo anchors a recap of "Good Morning America."

Mark Ndesandjo opens up about his abusive past in a new novel.

The cook prepares a BLT pasta bake from her latest cookbook.

Dickinson State students' bodies were found in a Jeep at the bottom of a pond.

Elisabeth Leamy dissects the difference between composites and genuine rubies.

Rick Klein discusses the voting switch that led to GOP wins in N.J. and Va.

Shortly after marriage, sex became painful because of an allergy.

Russian President Dmitry Medvedev calls for a plan to curb excessive drinking.

Consumer Reports finds potentially harmful chemical in a variety of cans.

The actor has sworn off soy milk after complaining about side effects.

George Stephanopoulos weighs in on what the election results mean for Democrats.

National Geographic video shows chimpanzees reacting to death of matriarch.

Mark Dacascos and Michael Irvin talk about their experience on "DWTS."

Police have found 10 bodies in the Cleveland home of a suspected serial killer.

More than a million users experienced phone outages on Tuesday night.

Current governor promises a smooth transition of power to Chris Christie.

Democrat Creigh Deeds loses to Republican Bob McDonnell in governor's race.

McDonnell strikes bipartisan tone; thanks Democrats and Independents.

What you can do to wind up with hundreds of dollars in 30 days.

How to make your frequent flier miles go further.

Houston may elect its first gay mayor and Atlanta its first white mayor in years

For the on-the-go bride and groom, you can bring the wedding to you.

Department of Transportation: underlying defect causes accelerators to stick.

Wisconsin H.S. soccer player scores team's only goal 80 yards away from goal.

Golden State pushes for regulations on energy-hungry flat-screen televisions.

Consumer Reports tests the reliability of 20 styles of condoms.

Treating common ailments with ingredients from your pantry.

How dermatologists choose which products to recommend.

Rep. Van Hollen, D-Md., brushes off national implications of Nov. 3 contests.

The actor plays a reporter in a revamped version of the 1980s miniseries "V."

Life and Style magazine's Rachel Zalis weighs in on Kate's media attention.

A broken strap on the singer's shoe almost causes her to tumble on TV.

Rick Klein with the latest on the Election Day battles.

Filmmaker Mary Mazzio on her new documentary.

Alice.com shops for you, finds the discounts and ships it right to your doorstep

L.A. prosecutors charge a 25-year-old man with stalking the "Idol" host.

New video is aimed at people who may have information about the missing girl.

A woman calls 911 to report a drunken driver, later saying she's the driver.

The singer talks publicly about her altercation with Chris Brown.

The company will sell and rent movies online for a fee.

More magazine's list of top jobs for women over 40.

The Geek Squad shares some tips for purchasing a new laptop.

100 years of National Geographic Magazine at your fingertips!

George Stephanopoulos discusses the off-year elections.

A look at how Hamid Karzai's victory will affect relations with the U.S.

Residents in Phoenix, Ariz., have grown tired of hearing constant church bells.

The automaker posts a third quarter profit of nearly $1 billion.

Incorporating these items into your meals may help you fight stress.

Dr. Marie Savard goes through some pros and cons of the procedure.

How one woman bounced back from a multiple sclerosis diagnosis to help others.

Obama says during photo op with Swedish PM that the U.S. will work with Karzai.

A Minnesota man's motorized chair is put on eBay following his DWI arrest.

Club for Growth Pres. Chris Chocola says election will show what Americans want.

In Touch Weekly's Amy Palmer reports on the reality TV star's public discussion.

Kathryn Joosten talks about her "Desperate Housewives" character.

The New York Times' Adam Nagourney analyzes what N.Y. 23 means for 2010.

The Oscar-winning actor gives a spoken-word rendition of the Lady Gaga song.

Laurie Schacht, co-publisher of The Toy Insider, offers a sneak peak at hot toys

Don King shows off his dancing moves while visiting the ABC affiliate in Vegas.

Rick Klein on the local political races that are making national headlines.

Threesomes, nonsense and turkey basting with British disco rock group.

Navy assault ship built with steal from the World Trade Center docks in NYC.

While campaigning in New York, the vice president knocks his former rival.

The Navy ship built from World Trade Center steel arrives in New York City.

Russia's wealthiest men and women attend event showcasing luxury items.

Manu Ginobili hits the flying mammal during a Halloween game in San Antonio.

The actor and girlfriend Oksana Grigorieva celebrate the birth of a daughter.

The detergent brand has a Facebook feature that eliminates unflattering pictures

What will this mean for the war strategy in Afghanistan?

President lends support for highly competitive New Jersey governor's race.

Whether to allow same-sex couples to marry is in the hands of voters.

An exclusive interview with WH Senior Adviser Valerie Jarrett.

George Will, Dee Dee Myers, Ron Brownstein, Ed Gillespie and Rev. Al Sharpton.

Recalling the fallen who have served in Iraq and Afghanistan.

George Will, Dee Dee Myers, Ron Brownstein, Ed Gillespie and Rev. Al Sharpton.

George Will, Dee Dee Myers, Ron Brownstein, Ed Gillespie and Rev. Al Sharpton.

Nations top retailers react to a Brian Ross investigation.

Did White House stimulus package save 1 million jobs? Jake Tapper reports.

As consumer confidence continues to slide, merchants pull out all the stops.

ScottTrade CEO Chris Moloney on how to open an online investment account.

"Girl, Get Your Credit Straight" author Glinda Bridgforth on holiday money.

George Stephanopoulos on troop deployment and the week's political stories.

Dawn Yanek highlights what's making entertainment headlines.

Dylan Lauren of Dylan's Candy Bar shares fun holiday ideas.

Bloomberg's Matt Miller reports that consumers still aren't spending.

Andrew Ross Sorkin chronicles Wall Street's collapse in "Too Big To Fail."

Surveillance video shows an alleged mob boss being gunned down in Naples, Italy.

Take a tour of one of the spookiest places on earth, just in time for Halloween.

A North Carolina cat lover leaves his entire estate to local feline charities.

The system will not require users to re-enter information with every purchase.

Obama strongly considered Hillary Clinton even though top aides were against it.

ABC's Jonathan Karl reports on the negativity surrounding the bill.

Over an hour passed before U.S. military was notified about Flight 188.

New and different ways to get the word out about your small business.

The Money Coach, Lynnette Khalfani-Cox on what to do when your debt is due.

Get the most from your credit cards and make sure they're working for you.

Tips for controlling both your portions and pants size.

How kids with food allergies can have a happy and safe Halloween.

Justin Kirk talks about his role in the Roundabout Theater's "The Understudy."

Bruce Morrow talks about his book, "Rock & Roll: and the Beat Goes On."

Spike Jonze and the rapper get into a staged altercation on the set of a movie.

Tracy Morgan on Poverty, Obama and Noah's Ark

Phil Lempert shares his weekly product hits and misses.

Charlie Herman on how the government stimulus program has helped grow the GDP.

Gorillas and polar bears gorge on gourds at the Ridgefield Zoo in Illinois.

Rick Klein on the president's visit to Dover and why Hillary didn't get V.P.

WSJ.com's Simon Constable on the ups and downs of the growth of the economy.

Karen Travers on Speaker Nancy Pelosi unveiling of the house's health care bill.

Alaska's former governor fires back at Johnston's comments on "The Early Show."

The new operating system is now available on a Verizon phone.

Andrea Smith shares the newest in Internet radio technology.

Fun ways to stay active as winter settles in.

What consumers can do to fight credit card companies' rate and fee increases.

How to save money and avoid the hassle when traveling for Thanksgiving.

Generic drugs can cost up to 90 percent less, but there are risks involved.

The secretary of state's visit aims to overcome anti-American sentiment.

As many struggle to get the vaccine, the administration calls for patience.

George Stephanopoulos and Martha Raddatz on the attacks in Afghanistan.

Yale student's M.J. tribute features six harmonies and one singer.

Pablo the Clown is ordered by Miami police to take his act off the road.

Air America's Ana Marie Cox discusses today?s top political headlines.

Two men make off with an ATM machine before colliding into another car.

Main Street Advocacy Fund pres. Tom Davis discusses the GOP, and health care.

Florida firefighters rescue a cat that was wedged in a car engine.

Food Coach, Cynthia Sass, has tips to avoid food borne illness.

Omega 3 fish oil may relieve inflammation-related conditions like arthritis.

An Illinois couple decides to take in this reptilian oddity.

Karen Travers on the president's busy day, and first lady's trip to World Series

Decathlete Brian Clay talks nutrition, exercise and what it's like to win Gold.

Chimpanzees in Cameroon grieve while watching a burial of one of their own.

Yahoo finance columnist Laura Rowley on how to break bad financial habits.

The actor shows off by juggling three pins in the name of charity.

In his new autobiography, the tennis great admits to using crystal meth.

The new Storm is BlackBerry's second attempt at a touch-screen phone.

Reviewing your benefit options can lead to big savings.

Over half of Americans live more than a two-hour drive from a burn center.

More trash outside restaurants and bright clothing indicate consumer confidence.

The U.S. rushes new specially designed vehicles to Afghanistan.

New documentary gives a glimpse at Obama's private moments during the campaign.

Bill and Melinda Gates talk about their charitable works.

A worker at a Maryland haunted house says an off-duty cop pulled a gun on him.

A new edition of the popular food guide takes you through this year's best bets.

In Florida today, the president announces billions in grants for clean energy.

How you can get a great workout at home without spending a dime.

Billionaire and wife speak with Charles Gibson about the Living Proof project.

GOP Strategist Kevin Madden discusses today's political headlines.

Sen. Jack Reed, D-R.I., discusses Afghanistan strategy and health care reform.

The actress talks about balancing career and family on her show, "The Middle."

Mark Sanchez scoffs down a hot dog while on the sidelines.

The late comic's appearance in a DIRECTV commercial has stirred up controversy.

The death of eight troops in Afghanistan makes October the deadliest month.

Anna Post talks about the do's and don'ts of travel.

Florida police find a woman unconscious in an SUV with her two kids and nephew.

Bloomberg's Deirdre Bolton on the recent report showing home prices are rising.

An Indiana spends 15 years building a stagecoach made of toothpicks.

Officials in Norway bust a man who had pythons taped to his abdomen.

Children in Minneapolis give their gourds a push at annual pumpkin derby.

Google Voice will transcribe and save voice messages.

A new Web site offers diagnosis with intense 3D imagery.

Details on where and when to expect the H1N1 vaccine varies from state to state.

George Stephanopoulos explains how states can opt out of government-run plan.

The U.S. military does not believe enemy action was involved in copter crashes.

The low-budget horror film made for $15,000 grosses $64 million in theaters.

Solve all of your insect problems without breaking the bank.

Garrett Gunderson, the author of "Killing Sacred Cows," discusses investing.

How to prepare your skin for the upcoming wintry weather.

Republican Governors Assn.'s Exec. Dir. Nick Ayers discusses NJ, VA gov races.

Democratic Governors Assn. Exec. Dir. Nathan Daschle discusses NJ, VA gov races.

Studies suggest American children do not get enough of the "sunshine vitamin."

Here are answers to questions on pharmacy contamination and asthma medications.

Fruits and veggies hold possible cancer-fighting vitamins and antioxidants.

The self-proclaimed "Debbie Downers of rock n roll" on stalkers, death and more.

Rick Klein on health care reform and the president's options in Afghanistan.

Gabe Saglie from Travelzoo.com on the top haunted hotels.

Bloomberg TV's Matt Miller on what to expect this week from a key GDP report.

Author Adam Penenberg of the book "Viral Loop" on taking your business viral.

Participants gather in Nebraska for annual screaming competition.

Romanian Giuliano Stroe has been pumping iron since the age of 2.

The singer files a temporary restraining order against 48-year-old Karen McNeil.

The PS3 will stream Netflix movies to home TVs.

State ends tax incentives after investigation of filmmaking industry.

Two women meet the heroes who risked their lives to save them on 9/11.

Laura Ingraham, Cynthia Tucker, Al Hunt, John Podesta, George Will.

Laura Ingraham, Cynthia Tucker, Al Hunt, John Podesta, George Will.

A "This Week" exclusive interview with Sen. Mitch McConnell, R-Ky.

Laura Ingraham, Cynthia Tucker, Al Hunt, John Podesta, George Will.

Recalling Soupy Sales, Clifford P. Hansen, Jack Nelson and Vic Mizzy.

Sen. Claire McCaskill, D-Mo., talks health care in an exclusive interview.

Flight attendant sends troops journals filled with notes from Delta passengers.

Hawaii opts to keep all teachers employed and cut the school week to four days.

Dr. Besser discusses the growing frustration over the flu vaccine shortage.

The latest Microsoft Operating System hits stores.

Microsoft Windows 7 on the newest laptops.

Ways to save, invest, and live within your means.

Nursery necessities to help you avoid the splurge.

Learn a yoga routine meant to be performed in a room heated to 105 degrees.

Research suggests that an injectible diet drug may work better than a pill.

Dr. Richard Besser addresses common swine flu concerns.

Tips for making sure your favorite soup is really as healthy as it seems.

Possible 2012 candidate says he'll "probably" make an endorsement in the race.

Politico's Jonathan Martin sits down with ABC's "Top Line."

Howard Stern's news guru talks about her breast cancer awareness collection.

Clarence Clemons talks about his new book "Big Man: Real Life and Tall Tales."

Andrew Zimmern talks about his show "Andrew Zimmern's Bizarre World."

Matt Jaffe breaks down the results of the latest ABC News/Washington Post Poll.

Learn the secrets airports will keep from you this holiday season.

Karen Travers on how the public option is once again on the table.

The pie-throwing comic brought funny business to kids and their parents.

Sleigh Bells, Phantogram, X-Wife, We Have Band, Electric Tickle Machine

The singer gives his first radio interview since his altercation with Rihanna.

A college athlete scores a 95-yard goal, pushing his team to an upset victory.

Windows newest update hopes to compete with Blackberry.

International Diabetes Foundation outlines treatment plans for pregnant women.

WaPo's Chris 'The Fix' Cillizza breaks it down on ABC News' Top Line.

Dr. Besser addresses parents' growing fear over the safety of the H1N1 vaccine.

Aaron Heidemann roams the country in his van, listening to others' stories.

Northwest Airlines flight passed Minneapolis by 150 miles before turning around.

Sen. Sherrod Brown discusses health care reform and economic recovery.

Wall Street fears Feinberg plan will cause execs to leave recovering companies.

Silly and serious tips runners should know before hitting the pavement.

Concerns have been raised about the benefits of cancer screenings.

"Curb Your Enthusiasm" star talks about her new book, "What Would Susie Say?"

The Scottish actor talks about his cabaret show, "I Bought a Blue Car Today."

The former vice president hits the Obama administration on its war strategy.

Never-before-seen footage of the singer is released from the "This Is It" film.

The new Windows program arrives at stores and online today.

Annie Pleshette Murphy gets stroller safety tips from Consumer Reports.

Erin Zammet Ruddy tells Annie Pleshette Murphy why she chose to have children.

Juju Chang and Romi Lassally get to the bottom of splitting parenting duties.

Calls made, or not made, by umpires in game 4 of the ALCS sparks outraged.

Leading cancer doctor raises doubts about the benefits of routine screening.

A new Web site condenses sports news for fans.

The Pew Internet Project explains its newest findings on social networking.

Stephanopoulos reports on poll numbers regarding the way forward in Afghanistan.

ABC's Betsy Stark reports on executive pay package decreases.

Researchers reconsider weight gain guidelines for overweight, pregnant women.

Sen. Lamar Alexander discusses Obama's 'enemy' list, and education reform.

Police trying to determine if the body is 7-year-old Somer Thompson.

Air America's Ana Marie Cox breaks down the latest political buzz.

New guidelines for more nutritious school meals.

Should egg and sperm donors be genetically tested?

Gamers can play the role of Falcon Heene as he battle birds and space aliens.

US Weekly's Rebecca Bienstock reports on the pop star's latest relationship.

Pharaoh flees animal hospital by turning a doorknob and maneuvering a deadbolt.

A man in Virginia faces indecent exposure charges for making coffee while nude.

A pedestrian in Russia narrowly escapes getting hit by an out-of-control bus.

Actress who developed hospital infection calls on doctors to improve hygiene.

Barnes and Noble's Nook is the latest e-reader to compete with Amazon's Kindle.

On these racing boats, money and background don't count for much.

ABC's Martha Raddatz reports on White House plans for Afghanistan.

Is the president trying to raise money from people who took taxpayer bailouts?

Institute of Medicine offers new nutritional guidelines for children's meals.

Crowds watch large pumpkins fall onto old vans at a farm in Oregon.

Congress debates how docs should be compensated for treating Medicare patients.

New training tips to make it across the finish line.

A Florida man is hit by a bus while fleeing from a Rottweiler.

The rapper cuts a mouse from his stomach in a film directed by Spike Jonze.

The actress makes her Broadway debut in the play directed by David Mamet.

The actor's latest project, "Splatter," will be streamed online.

Tracy Morgan goes off on Cheri Oteri and Chris Kattan in his autobiography.

Measy.com helps you narrow your search for the right gadget.

IBM tech speeds up the apartment inspection process to house people quicker.

AlwaysOn's Tony Perkins explains the growing role of entrepreneurs in D.C.

ABC's Bob Woodruff reports on veterans benefiting from horseback riding.

AG: States can decide what's legal and who to prosecute under their own laws.

George Stephanopoulos breaks down the latest numbers reflecting the president.

President's decision to send more troops for war is hanging in the balance.

NYT columnist Gail Collins discusses her new book "When Everything Changed".

House Dems won't forego it, Senate Dems won't include it -- who's going to give?

ABC's Dr. Richard Besser tackles your questions.

What to do when a heart attack strikes.

The supermodel talks about her 2001 car accident and shares safe driving tips.

Life and Style's Dawn Yanek weighs in on the Heene family's alleged stunt.

Eric Johnson on zoology rock, Armageddon lullabies, gap teeth and lazy eyes.

The White House campaigns to move along the push for health care reform.

An angry man confronts TV news crew covering the Heene family.

Scientists in Wales film dolphins using their tails to toss jellyfish.

A black bear hangs out in a Wisconsin liquor store before being tranquilized.

The social networking site introduces a new way to stay in touch.

Should the U.S. send 40,000 more troops to secure Afghanistan?

George Will, Peggy Noonan, Paul Krugman, E.J. Dionne and Jake Tapper.

George Will, Peggy Noonan, Paul Krugman, E.J. Dionne and Jake Tapper.

David Axelrod on the White House take on the economy, Afghanistan and Fox News.

George Will, Peggy Noonan, Paul Krugman, E.J. Dionne and Jake Tapper.

Athletes who experience concussions could suffer lifelong repercussions.

Nor'easter brings shivering cold and record early snow to Northeast.

Diverse cheerleading squads unite to become "World News'" Persons of the Week.

ABC's medical expert explains why the H1N1 vaccine is hard to get.

Former President George H.W. Bush and President Obama speak to college students.

Dr. Donnica Moore answers questions on the H1N1 vaccine and other health issues.

Gum disease can make blood sugar harder to regulate, causing diabetes to worsen.

Fitness expert Frank Sepe explains the keys to getting celebrity abs.