Wisconsin Republican Gov. Scott Walker speaks in Milwaukee in May. Newly released documents show prosecutors are alleging Walker was at the center of a nationwide "criminal scheme" to illegally coordinate with outside conservative groups. Jeffrey Phelps/AP hide caption

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Cheese, glorious cheese! The European Union wants U.S. food makers to stop using names with historical ties to Europe. But what else would you call, say, Parmesan and Brie? Dinner Series/Flickr hide caption

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In this June 2008 photo, the bridge spanning the Mississippi River between Winona, Minn., and the Wisconsin side of the river is closed to traffic. Jim Mone/AP hide caption

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Wisconsin Gov. Scott Walker speaks at the Conservative Political Action Conference in March. Pete Marovich/Getty Images hide caption

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Dale Hippensteel, manages the Sheboygan County health department. Jeffrey Phelps/For NPR hide caption

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Guests stand after a Rand Paul speech at the Conservative Political Action Conference (CPAC) in Rosemont, Ill. Conservatives celebrated Tuesday's victory in Wisconsin's recall election. Scott Olson/Getty Images hide caption

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Wisconsin Republican Gov. Scott Walker (right) celebrates his win over Democratic challenger Tom Barrett at Tuesday night's victory party in Waukesha, Wis. Morry Gash/AP hide caption

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