December 21, 2011
In this Dec. 14, 2011 file photo, Republican presidential candidate, Texas Gov. Rick Perry shakes hands during a campaign stop at Bayliss Park Hall, in Council Bluffs, Iowa.
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A young Iowa man's plea for marriage rights for his lesbian parents drew 18.3 million views to become the most-watched political video of the year, according to YouTube's ranking of viral political videos.