Democratic presidential hopeful Sen. Hillary Rodham Clinton, D-N.Y., reacts with husband Bill and daughter Chelsea at her Democratic primary election night victory rally in Manchester, N.H., Tuesday, Jan. 8, 2008.
President Bush delivers his State of the Union address before a joint session of Congress, Monday, Jan. 28, 2008, on Capitol Hill in Washington as Vice President Dick Cheney and House Speaker Nancy Pelosi listen.
Republican presidential hopeful, former New York City Mayor Rudy Giuliani, talks to supporters after conceding the Florida Republican primary at his election watch headquarters in Orlando, Fla., Tuesday, Jan. 29, 2008. Giuliani dropped out of the race and endorsed Ariz. Sen. John McCain.
Democrat John Edwards looks down at his notes as he announces his withdrawal from the presidential race in the Ninth Ward of New Orleans, La., Wednesday, Jan. 30, 2008. Edwards, who originally announced his candidacy in New Orleans, returned to the Hurricane Katrina-damaged Ninth Ward to end his race for the presidency. At right, Edward's wife Elizabeth and son Jack.
Republican presidential hopeful Sen. John McCain, R-Ariz., and his wife Cindy arrive at their Super Tuesday primary election night party in Phoenix, Ariz., Tuesday, Feb. 5, 2008.
Republican presidential hopeful and former Massachusetts Gov. Mitt Romney waves to his supporters during his Super Tuesday primary watch party in Boston, Tuesday, Feb. 5, 2008. Romney would drop out of the race on Feb. 7th.
New York Gov. Eliot Spitzer speaks during a news conference in Albany, N.Y., Tuesday, Feb. 12, 2008. Spitzer resigned in March after it was revealed that he had been involved in a prostitution ring.
Republican presidential hopeful, Sen. John McCain, R-Ariz., and his wife Cindy McCain react to the crowd at his primary election watch party in Dallas, Tuesday, March 4, 2008. McCain surpassed the requisite 1,191 GOP delegates to clinch the Republican presidential nomination.
Democratic presidential hopeful, Sen. Barack Obama, D-Ill., speaks during a primary election night rally in St Paul, Minn., Tuesday, June 3, 2008. Obama claimed the Democratic presidential nomination Tuesday night in a long-time-coming victory speech that minced no words about his opponent in the fall campaign, Republican John McCain.
Former senator John Edwards, a Democrat from North Carolina who ran for president in 2004 and dropped out of the 2008 race in January, admitted to an affair in 2006 with Rielle Hunter, a videographer who worked on his campaign.
Democratic presidential candidate Sen. Barack Obama, D-Ill., listens as vice presidential running mate Sen. Joe Biden, D-Del., speaks at a rally in front of the Old State Capitol in Springfield, Ill., Saturday, Aug. 23, 2008.
Fireworks explode over Invesco Field at the end of the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.
Presumptive Republican presidential nominee Sen. John McCain, left, smiles after introducing his vice presidential running mate, Alaska Gov. Sarah Palin, in Dayton, Ohio, Friday, Aug. 29, 2008.
People watch the vice presidential debate between Democratic vice presidential candidate, Sen. Joe Biden, D-Del., and Republican vice presidential candidate, Alaska Gov. Sarah Palin in Hawk n' Dove bar Thursday, Oct 2, 2008, on Capitol Hill in Washington.
The Presidential Seal is seen on the podium as President Bush speaks about the economy at the U.S. Chamber of Commerce in Washington, Friday, Oct. 17, 2008.
Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., wave to the audience after a presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.
The crowd waves U.S. flags as it is announced on television that Barack Obama has been elected the President of the United States at his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama waves as he takes the stage at his election night party in Chicago's Grant Park, Tuesday, Nov. 4, 2008.
President Bush and President-elect Obama meet in the Oval Office of the White House Monday, Nov. 10, 2008, in Washington.
Illinois Gov. Rod Blagojevich addresses reporters during a news conference at the State of Illinois building in Chicago, Friday, Dec. 19, 2008. Blagojevich was arrested by FBI agents on Dec. 9 and charged with conspiracy to commit mail and wire fraud as well as solicitation of bribery. The Justice Department alleges that the governor conspired to commit several "pay to play" schemes. Blagojevich said he is not guilty.