Associated Press
In this June 25, 2012 file photo, Wisconsin Gov. Scott Walker speaks at a news conference in Chicago. A Wisconsin judge strikes down Gov. Walker's law ending most collective bargaining for public workers. Dane County Circuit Judge Juan Colas ruled Friday, Sept. 14, 2012, that the law violates both the state and U.S. Constitution and is null and void.  (AP Photo/Charles Rex Arbogast, File)

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