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Former Minnesota Governor Tim Pawlenty and his wife Mary wave to supporters before he spoke at the Iowa Republican Party's Straw Poll, Saturday, Aug. 13, 2011, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Tim Pawlenty

Former Minnesota Gov. Tim Pawlenty dropped out of the race for the GOP presidential nomination on Sunday, hours after finishing a disappointing third in the Iowa straw poll.