In this June 5, 2012 photo, Dave and Donna Zimmer pose for a photo in Birmingham, Mich. The Zimmers say they were surprised by U.S. Rep. Thaddeus McCotter?s failure to file enough valid signatures to get on the Aug. 7, 2012, GOP primary ballot. The Bloomfield Village couple say they?ll vote Republican, but they?re not sure if a write-in candidate has much of a shot against someone already on the ballot. High school teacher Kerry Bentivolio, of Milford, is on the ballot; ex-Sen. Nancy Cassis, of Novi, is the consensus candidate to run a write-in campaign. (AP Photo/Kathy Barks Hoffman)