Candidates Barack Obama and Mitt Romney remain tied in key battleground states a day before Election Day in the United States
US Presidential Race In Its Home Stretch
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President Barack Obama waves to supporters during a campaign event at McArthur High School, Hollywood, Florida, November 4, 2012.
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Republican presidential candidate Mitt Romney speaks during a campaign event at the Newport News International Airport, Newport News, Virginia, November 4, 2012.
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A panoramic view of President Obama's rally at the Wisconsin State Capitol in Madison, November 5, 2012. (Kane Farabaugh/VOA)
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A panoramic view of President Obama's rally at the Wisconsin State Capitol in Madison, November 5, 2012. (Kane Farabaugh/VOA)