US presidential campaign heats up

A light shines behind President Barack Obama as he speaks during a campaign event at Bayliss Park in Council Bluffs, Iowa, during a three day campaign bus tour through Iowa.

A light shines behind President Barack Obama as he speaks during a campaign event at Bayliss Park in Council Bluffs, Iowa, during a three day campaign bus tour through Iowa.

Published Aug 14, 2012

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President Barack Obama and Republican vice presidential candidate Republican Paul Ryan hit the campaign trail in Iowa on Monday. Obama began a three day tour, while Ryan set off on his first solo campaign appearance

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