No, but he got into a lot of trouble recently for using the expression "tar baby" (I think about the Big Dig), in spite of the fact that lots of other people, including a Boston Globe editorialist, had used it in the past few months. From Mitt's mouth, of course, it means he's racist.
Well, that's "The Boston Globe" for you. It is the Jerry Mahoney to "The New York Times'" Paul Winchell. Ugh.