2011 Iowa straw poll

Supporters of Ron Paul wore red T-shirts at the Ames straw poll. Paul came in a close second behind Michele Bachmann.  (Chip Somodevilla / Getty Images)

William Temple of Brunswick, Ga., carrying a “Don’t Tread on Me” flag, marches with Bachmann supporters near the straw poll site.  (Chip Somodevilla / Getty Images)

Supporters of Ron Paul listen to him speak outside the straw poll site.  (Chip Somodevilla / Getty Images)

John Strong of west Des Moines, Iowa, dresses as Uncle Sam at the poll site. He planned to support Tim Pawlenty, who placed third.   (Chip Somodevilla / Getty Images)

Tim Pawlenty supporters cheer for their candidate, the former governor of Minnesota.   (Charles Dharapak / Associated Press)

Ron Paul waits to be interviewed at the poll site in Ames.  (Charles Dharapak / Associated Press)

Ron Paul’s campaign gave out free hot dogs outside the poll site.  (Chip Somodevilla / Getty Images)

Supporters cheer for Michele Bachmann as she speaks at the Ames straw poll.  (Charles Dharapak / Associated Press)