Hillary's campaign

Democratic presidential hopeful, Senator Hillary Rodham Clinton poses with a supporter wearing a Hillary Clinton mask during a campaign rally in Philadelphia, Thursday, April 17, 2008. (AP Photo/Charles Dharapak) Read More

Democratic presidential hopeful, Sen. Hillary Rodham Clinton rallies the crowd during a campaign rally in Philadelphia, Thursday, April 17, 2008. (AP Photo/Charles Dharapak) Read More

Democratic presidential hopeful Sen. Hillary Rodham Clinton takes part in a comedy sketch during a taping of Comedy Central's 'The Colbert Report' with Stephen Colbert in Philadelphia, Thursday, April 17, 2008. (AP Photo/Charles Dharapak) Read More

US Senator Hillary Clinton (L) is greeted by her husband former US President Bill Clinton on Wednesday, April 09, 2008 in New York during a fundraising concert for the Clinton’s campaign. (AFP Photo/Andrew Theodorakis)

In This Pic : US Senator Hillary, Mrs. Clinton, Hillary's campaign, Hillary Clinton in fundraising concert, Hillary Clinton at a concert, Hillary Clinton, Hillary, former First Lady, fomer US President Bill Clinton, Bill Clinton's wife

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Democratic Presidential hopeful Senator Hillary Clinton is greeted by British singer Elton John during a fundraising concert for Clinton’s campaign in New York. (AFP Photo/Andrew Theodorakis)

In This Pic : Senator Hillary, Hillary's campaign, Hillary with Elton John, Hillary Clinton, fomer First Lady, Democratic Presidential hopeful, British Singer Elton John

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