Vice President Joe Biden waves as he exits a voting booth after casting his ballot at Alexis I. duPont High School, Tuesday, Nov. 6, 2012, in Greenville, Del. (AP Photo/Matt Rourke)

Associated Press
Vice President Joe Biden waves as he exits a voting booth after casting his ballot at Alexis I. duPont High School, Tuesday, Nov. 6, 2012, in Greenville, Del. (AP Photo/Matt Rourke)
Vice President Joe Biden waves as he exits a voting booth after casting his ballot at Alexis I. duPont High School, Tuesday, Nov. 6, 2012, in Greenville, Del. (AP Photo/Matt Rourke)
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