Road to 270
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In this April 22, 2008, file photo, Republican presidential candidate, Sen. John McCain, R-Ariz., arrives in Vienna, Ohio, en route to a campaign events in Youngstown, Ohio, during his "It's Time for Action" campaign tour. The electoral road to the White House favors Democrats this fall _ either Barack Obama or Hillary Rodham Clinton _ and has McCain playing defense to thwart a presidential power shift. (AP Photo/Mary Altaffer)