Millions of voters head are casting ballots to choose the next President of the United States. Latest polls show incumbent President Barack Obama and Republican Challenger Mitt Romney in a virtual dead heat.
Americans Vote in Presidential Election
13
U.S. President Barack Obama speaks at his last campaign rally in Des Moines, Iowa, November 5, 2012.
14
People vote early at a polling station in Chicago, Illinois, November 5, 2012. (Ramon Taylor/VOA)