Republican presidential candidates, from left, former Pennsylvania Senator Rick Santorum, U.S. Rep. Ron Paul, R-Texas, U.S. Rep. Thaddeus McCotter, R-Mich., former CEO of Godfather's Pizza Herman ... more 
Republican presidential candidates, from left, former Pennsylvania Senator Rick Santorum, U.S. Rep. Ron Paul, R-Texas, U.S. Rep. Thaddeus McCotter, R-Mich., former CEO of Godfather's Pizza Herman Cain, and U.S. Rep. Michele Bachmann, R-Texas, gather on stage before the Iowa Republican Party's Straw Poll, Saturday, Aug. 13, 2011, in Ames, Iowa. (AP Photo/Charlie Neibergall) less 
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Associated Press | Photo By Charlie Neibergall
Sat, Aug 13, 2011 1:56 PM EDT