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U.S. Citizens Head To The Polls To Vote In Presidential Election

ST. PETERSBURG, FL - NOVEMBER 6: Lines of voters wait to cast their ballots as the polls open on November 6, 2012 in St. Petersburg, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Edward Linsmier/Getty Images)

Florida voting polls

A judge extended early voting hours in one Florida county Nov. 4 after Democrats sued to allow more time in a presidential battleground state where more than 4 million ballots have already been cast. The move was one of many legal skirmishes in the tight contest between Barack Obama and Mitt Romney to deal with inevitable disputes over balloting.