Presidential candidate and Massachusetts Governor Mitt Romney holds a press conference before speaking to Michigan Republicans during the Michigan GOP Convention in Grand Rapids, Mi. on Saturday, Feb. 10, 2007. (AP Photo/Adam Bird)
Former Massachusetts Gov. and Republican presidential contender Mitt Romney, left, and wife Ann listen to the Pledge of Allegiance before his speech at the Missouri Republican Party's 108th Lincoln Days gathering Saturday, Feb. 10, 2007 in St. Louis. (AP Photo/Bill Boyce)
Former Massachusetts Gov. Mitt Romney addresses members of the Alabama Republican Party, Friday, Feb. 9, 2007, in Montgomery, Ala. (AP Photo/Kevin Glackmeyer)
Former Massachusetts Gov. Mitt Romney listens to Lawrence Johnson, director of the Center for Crops Utilization Research at Iowa State University, after a tour Thursday, Feb. 8, 2007, in Ames, Iowa. (AP Photo/Steve Pope)
Republican Mitt Romney meets with the media after addressing the Detroit Economic Club in Detroit, Wednesday, Feb. 7, 2007. Romney used the first major policy speech of his fledgling presidential campaign to promote permanent tax cuts, portable health insurance and free and open markets. (AP Photo/Carlos Osorio)
