Inside the Iowa caucuses
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, addresses supporters at his Iowa caucus party Tuesday, Jan. 3, 2012, in Johnston, Iowa.
Credit: AP Photo/Charlie Riedel
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, addresses supporters at his Iowa caucus party Tuesday, Jan. 3, 2012, in Johnston, Iowa.
Credit: AP Photo/Charlie Riedel
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