Президентская кампания в США. Фотовзгляд

A voter looks over her ballot at a polling station in Steubenville, Ohio, March 6, 2012. (Reuters)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign stop at William Jewell College, March 13, 2012, in Liberty, Missouri. (AP)

Danny Cooper, of Chilton County, waves to motorists outside a polling place, March 13, 2012, in Vestavia Hills, Alabama. (AP)

President Barack Obama greets supporters on the tarmac on his arrival at O'Hare International Airport in Chicago, March, 16, 2012. (AP)

Republican presidential candidate former Massachusetts Gov. Mitt Romney lifts 8-month-old Gavin Woodford, of Rockford, Illinois, during a campaign stop, March 18, 2012. (AP)

A streetcar passes by a sign for Republican presidential candidate Ron Paul in New Orleans, Louisiana March 24, 2012. (Reuters)

President Barack Obama rolls up his sleeves as he speaks at a campaign fundraiser at the University of Vermont in Burlington, March, 30, 2012. (AP)

Buttons showing the likeness of Republican presidential candidate, former Massachusetts Gov. Mitt Romney, are seen at a vendor stand outside a campaign event in Milwaukee, Wisconsin, April 2, 2012. (AP)

Voters cast their ballot at a polling place during a primary election in Frederick, Maryland, April 3, 2012. (AP)

Supporters of Republican presidential candidate, former Massachusetts Gov. Mitt Romney cheer as he addresses a crowd at a campaign event, in Broomall, Pennsylvania, April 4, 2012. (AP)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney, center, flanked by campaign volunteers telephones a potential voter from a call center at his Pennsylvania campaign headquarters in Harrisburg, April 5, 2012. (AP)

Supporters of Republican presidential candidate Rep. Ron Paul, cheer as he speaks at the University of California at Berkeley, April 5, 2012. (AP)

Republican presidential candidate Rep. Ron Paul gestures after speaking at the University of California at Berkeley, April 5, 2012. (AP)

President Barack Obama shakes hands following a speech at Florida Atlantic University, Tuesday, April 10, 2012. (AP)

The crowd cheers as President Barack Obama arrives to speak at Florida Atlantic University, in Boca Raton, Florida, April 10, 2012. (AP)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney, waves before addressing an audience during a campaign event, in Warwick, Rhode Island, April 11, 2012. (AP)

President Barack Obama reaches out to shake hands with Lorain County Community College student Bronson Harwood after speaking at the college in Elyria, Ohio, April 18, 2012.

Supporters wait for Republican presidential candidate Mitt Romney to appear at a political rally in Manchester, New Hampshire April 24, 2012. (Reuters)

President Barack Obama and first lady Michelle are saluted by soldiers as they arrive at Fort Stewart in Georgia, April 27, 2012. (AP)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney talks to Erik Anderson during his visit to the Portsmouth Fish Pier in Portsmouth, New Hampshire, April 30, 2012. (AP)

Supporters of President Barack Obama hold signs near a campaign stop for Republican presidential candidate, former Massachusetts Gov. Mitt Romney in Portsmouth, New Hampshire, April 30, 2012. (AP)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney, accompanied by former New York City Mayor Rudy Giuliani, picks up pizza for firefighters in New York, May 1, 2012. (AP)

President Barack Obama gets a high five as he greets troops at Bagram Air Field, Afghanistan, early Wednesday, May 2, 2012. (AP)

A woman wears a campaign button to support Republican presidential candidate, former Massachusetts Gov. Mitt Romney at a campaign stop in Portsmouth, Virginia, May 3, 2012. (AP)

President Barack Obama and his wife, Michelle, wave to the crowd during a campaign rally at Virginia Commonwealth University in Richmond, Virginia, May 5, 2012. (AP)