A photo taken on February 29, 2008 shows the office chair of current US President George W. Bush at his desk inside the Oval Office of the White House in Washington, DC. Americans vote in an election of rare historic potential on November 4, 2008, with front-running Democrat Barack Obama seeking to become the first black president and Republican John McCain hoping for a poll-defying comeback. Getty Images logo Getty Images 48 months ago

A photo taken on February 29, 2008 shows the office chair of current US President George W. Bush at his desk inside the Oval Office of the White House in Washington, DC. Americans vote in an election of rare historic potential on November 4, 2008, with front-running Democrat Barack Obama seeking to become the first black president and Republican John McCain hoping for a poll-defying comeback.