POLITICAL CHECKLIST -- August 15, 2011 at 4:31 PM ET
Political Checklist: The GOP Field After Ames
Fresh off the campaign trail in Iowa, Gwen Ifill and David Chalian talk to Judy Woodruff about their experience covering the Ames Straw Poll, Tim Pawlenty's exit and Rick Perry's entrance into the race. We also get a look at some of the Iowa State Fair food David and Gwen sampled.
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