John Kerry on Yahoo! News Photos

In this Dec. 1, 1992 file photo, Sen. John Kerry, D-Mass., left, ...

(AP) — Wed, 02 Jul 2008 19:11:25 GMT

(AP) - In this Dec. 1, 1992 file photo, Sen. John Kerry, D-Mass., left, chairman of the Senate Select Committee on POW/MIA Affairs, listens to Sen. John McCain, R-Ariz., a former POW in Vietnam, during a hearing of the committee on Capitol Hill in Washington. The committee released classified testimony detailing the Pentagon's intelligence gathering efforts in Vietnam. (AP Photo/Ron Edmonds, file)

Democrat Ed O'Reilly, who is challenging U.S. Sen. John Kerry, ...

(AP) — Sun, 29 Jun 2008 20:08:37 GMT

(AP) - Democrat Ed O'Reilly, who is challenging U.S. Sen. John Kerry, D-Mass., in the September primary talks with retired Boston Police Officer Joe Maloney of Weymouth, Mass., right, while campaigning at a dinner at the Elk Lodge in Weymouth, Friday June 27, 2008. (AP Photo/Charles Krupa)

Democrat Ed O'Reilly, who is challenging U.S. Sen. John Kerry, ...

(AP) — Sun, 29 Jun 2008 20:08:15 GMT

(AP) - Democrat Ed O'Reilly, who is challenging U.S. Sen. John Kerry, D-Mass., in the September primary talks with Nancy Hall of Weymouth, Mass., right, while campaigning at a dinner at the Elk Lodge in Weymouth, Friday June 27, 2008. (AP Photo/Charles Krupa)

Democrat Ed O'Reilly, who is challenging U.S. Sen. John Kerry, ...

(AP) — Sun, 29 Jun 2008 20:07:28 GMT

(AP) - Democrat Ed O'Reilly, who is challenging U.S. Sen. John Kerry, D-Mass., in the September primary poses in Weymouth, Mass., Friday June 27, 2008. (AP Photo/Charles Krupa)

Sen. Sherrod Brown, D-Ohio, left, accompanied by Sen. John Kerry, ...

(AP) — Tue, 24 Jun 2008 18:50:17 GMT

(AP) - Sen. Sherrod Brown, D-Ohio, left, accompanied by Sen. John Kerry, D-Mass., gestures during a news conference on Capitol Hill in Washington, Tuesday, June 24, 2008, regarding the housing and mortgage crisis on Capitol Hill in Washington. (AP Photo/Charles Dharapak)

Sen. Chuck Schumer, D-N.Y., center, Sen. John Kerry, D-Mass., ...

(AP) — Tue, 24 Jun 2008 18:45:39 GMT

(AP) - Sen. Chuck Schumer, D-N.Y., center, Sen. John Kerry, D-Mass., left, and Sen. Claire McCaskill, D-Mo., right, leave a news conference regarding oil contracts in Iraq on Capitol Hill in Washington, Tuesday, June 24, 2008. (AP Photo/Charles Dharapak)

Democratic presidential candidate Barack Obama (left) and John ...

(AFP/Getty Images/File) — Sun, 15 Jun 2008 20:22:59 GMT

(AFP/Getty Images/File) - Democratic presidential candidate Barack Obama (left) and John Edwards shake hands during a May election rally in Grand Rapids, Michigan. Edwards -- a former Democratic vice presidential nominee under John Kerry -- said he would have to "seriously" consider another shot at the job if asked by Obama.(AFP/Getty Images/File/Mark Wilson)

In this June 6, 2008, file photo, Sen. John Kerry, D-Mass., ...

(AP) — Sun, 15 Jun 2008 15:53:32 GMT

(AP) - In this June 6, 2008, file photo, Sen. John Kerry, D-Mass., left, speaks as Sen. Joseph Lieberman, I-Conn., center, and Sen. Barbara Boxer, D-Calif., right, listen, during a news conference on Capitol Hill in Washington to discuss the environment and climate change. Lieberman is fast becoming the Democrats' public enemy No. 1. The four-term Connecticut senator, who came tantalizingly close to being Al Gore's vice president in 2000, not only has been campaigning for his pal McCain, now he's publicly criticizing the Democrats' standard-bearer, Barack Obama. (AP Photo/Susan Walsh)

Sen. John Kerry, D-Mass., delivers a speech to delegates at ...

(AP) — Sat, 07 Jun 2008 19:27:44 GMT

(AP) - Sen. John Kerry, D-Mass., delivers a speech to delegates at the Democratic State Convention, in Lowell, Mass. Saturday, June 7, 2008, Where Kerry failed to head off a primary challenge by Ed O'Reilly, an attorney from Gloucester, Mass. (AP Photo/Josh Reynolds)

Prospective senatorial candidate Ed O'Reilly, right, an attorney ...

(AP) — Sat, 07 Jun 2008 18:50:37 GMT

(AP) - Prospective senatorial candidate Ed O'Reilly, right, an attorney from Gloucester, Mass. delivers his speech to delegates at the Democratic State Convention, in Lowell, Mass. Saturday, June. 7, 2008. O'Reilly sought to get his name on the Democratic primary ballot to challenge Sen. John Kerry, D-Mass. (AP Photo/Josh Reynolds)

Sen. John Kerry, D-Mass., delivers a speech to delegates at ...

(AP) — Sat, 07 Jun 2008 18:43:38 GMT

(AP) - Sen. John Kerry, D-Mass., delivers a speech to delegates at the Democratic State Convention, in Lowell, Mass. Saturday, June 7, 2008, where Kerry sought to head off a primary challenge by Ed O'Reilly, an attorney from Gloucester, Mass. (AP Photo/Josh Reynolds)

Prospective senatorial candidate Ed O'Reilly, right, an attorney ...

(AP) — Sat, 07 Jun 2008 18:42:14 GMT

(AP) - Prospective senatorial candidate Ed O'Reilly, right, an attorney from Gloucester, Mass. greets supporter Marianne Paresky, of Chelmsford, Mass., at the Democratic State Convention, in Lowell, Mass. Saturday, June. 7, 2008. O'Reilly sought to get his name on the Democratic primary ballot to challenge Sen. John Kerry, D-Mass. O'Reilly said he supported Kerry during the 2004 presidential election. But he said he's running because Kerry has not been strong enough in his opposition to the Iraq War, or his support for gay marriage. (AP Photo/Josh Reynolds)

Sen. John Kerry, D-Mass., left, speaks as Sen. Joseph Lieberman, ...

(AP) — Fri, 06 Jun 2008 14:46:26 GMT

(AP) - Sen. John Kerry, D-Mass., left, speaks as Sen. Joseph Lieberman, I-Conn., center, and Sen. Barbara Boxer, D-Calif., right, listen, Friday, June 6, 2008, during a news conference on Capitol Hill in Washington to discuss the environment and climate change. (AP Photo/Susan Walsh)

Sen. John Kerry, D-Mass., left, talks with Massachusetts Gov. ...

(AP) — Fri, 06 Jun 2008 02:01:18 GMT

(AP) - Sen. John Kerry, D-Mass., left, talks with Massachusetts Gov. Deval Patrick during Game 1 of the NBA basketball finals between the Boston Celtics and the Los Angeles Lakers on Thursday, June 5, 2008, in Boston. (AP Photo/Elise Amendola)

Sen. Joseph Lieberman, I-Conn., center, and Sen. John Warner, ...

(AP) — Thu, 05 Jun 2008 19:15:19 GMT

(AP) - Sen. Joseph Lieberman, I-Conn., center, and Sen. John Warner, R-Va., right, share a laugh with Sen. John Kerry, D-Mass., left, on Capitol Hill in Washington, Thursday, June 5, 2008, prior to the start of a news conference on the environment and climate change. (AP Photo/Susan Walsh)