Hillary Rodham Clinton

Sen. Hillary Rodham Clinton, D-N.Y., stands during a press conference at Ground Zero Monday, Jan. 22, 2007, in New York. Clinton, who had just announced her plans to run for president in 2008, intent on becoming the first female president, spoke about increasing funding to those with health problems related to the aftermath of the Sept. 11 terrorist attacks.

Sen. Hillary Rodham Clinton, D-N.Y., faces a wall of photographers as she approaches a press conference at Ground Zero Monday, Jan. 22, 2007 in New York. Clinton, who had just announced her intention to run for president in 2008, a widely anticipated but nonetheless historic step in a fast-developing campaign, spoke about increasing funding to those with health problems related to the Sept. 11 terrorist attacks.

Sen. Hillary Rodham Clinton, D-N.Y., plays with Olivia Harden while her father Bobby and sister Camilla look on during a speech at the Ryan Chelsea-Clinton Community Health Center Sunday, Jan. 21, 2007, where she announced legislation to make health insurance available to all children. The speech came a day after Clinton tossed her hat into the 2008 presidential race.

A reporter watches Sen. Hillary Rodham Clinton, D-N.Y., on her Website announcing her decision to take the first step toward a 2008 White House bid that could make her the first woman president of the United States, in Washington, Saturday, Jan. 20, 2007. "I'm in. And I'm in to win," the former first lady said in a video on her site.

Sen. Hillary Rodham Clinton, D-N.Y., speaks during a news conference on Capitol Hill Wednesday, Jan. 17, 2007 in Washington. Clinton discussed her weekend trip to Iraq and Afghanistan, and her meetings with Iraqi officials and U.S. military commanders.

Sen. Hillary Rodham Clinton, D-N.Y., speaks with commander of Multinational Corps - Iraq Lt. Gen Ray Odierno during a visit to Camp Victory in Iraq Wednesday, Jan. 13, 2007.

Sen. Hillary Rodham Clinton, D-N.Y., with husband, former President, Bill Clinton holding the Bible, is sworn in by Vice President Dick Cheney during a re-enactment swearing-in ceremony, in Washington, Jan. 4, 2007.

Sen. Hillary Rodham Clinton, D-N.Y., reads the Iraq Study Group report as she listens to testimony by co-chairs Lee Hamilton and James A. Baker before the Senate Armed Services Committee Dec. 7, 2006 on Capitol Hill in Washington.

Sen. Hillary Rodham Clinton, D-N.Y., and her husband, former President Bill Clinton, enjoy the New York State Fair in Syracuse, N.Y. Sept. 1, 2006.

Sen. Hillary Rodham Clinton, D-N.Y., speaks with Sen. Barack Obama, D-Ill., during the annual convention of the National Association for the Advancement of Colored People (NAACP) in Washington Aug. 16, 2006. Clinton and Obama have both announced their intentions to seek the Democratic nomination for president in 2008.

Sen. Hillary Rodham Clinton, D-N.Y., addresses supporters at the New York Women for Hillary luncheon June 5, 2006 in New York. Sen. Clinton embarked on a widely anticipated campaign for the White House Saturday, Jan. 20, 2007, a former first lady intent on becoming the nation's first female president.

Sen. Hillary Rodham Clinton addresses conference of the American Israel Public Action Committee in Washington May 24, 2005.

Sen. Hillary Rodham Clinton, D-N.Y., right, former President Bill Clinton and their daughter Chelsea arrive at a book party in New York June 21, 2004.

Sen. Hillary Rodham Clinton, D-N.Y., at a signing for her book "Living History" at a Barnes & Noble in New York June 9, 2003.

Hillary Rodham Clinton speaks at a meeting in Buffalo, N.Y., in this April 4, 1992 photo taken during the presidential campaign for her husband, Bill Clinton.

Then Democratic presidential hopeful Bill Clinton hugs his wife Hillary at his New Hampshire primary election night party at the Merrimack Inn, in Merrimack, N.H. in this Feb. 18, 1992 photo.

Hillary Rodham poses in her 1965 senior class portrait from Park Ridge (Ill.) East High School.