Former Massachusetts Gov. Mitt Romney speaks at a town hall meeting at Eagle Manufacturing Corp. in Shelby Township, Mich., Tuesday, Feb. 21, 2012. (AP Photo/Gerald Herbert)

Photo by: Gerald Herbert

Former Massachusetts Gov. Mitt Romney speaks at a town hall meeting at Eagle Manufacturing Corp. in Shelby Township, Mich., Tuesday, Feb. 21, 2012. (AP Photo/Gerald Herbert)