In this June 5, 2012 photo, attorney David Zacks, of Bloomfield Hills, Mich., poses for a photo in Birmingham, Mich. Zacks says he and other Republicans he knows are unlikely to support a tea party supporter as their next congressman. The congressional election in Michigan?s 11th District is suddenly up in the air after the shocking failure of U.S. Rep. Thaddeus McCotter to file enough valid signatures to get on the Aug. 7, 2012 GOP primary ballot. (AP Photo/Kathy Barks Hoffman)