U.S. Presidential Campaign Trails (in chronology): ROM_06

Republican Presidential candidate Mitt Romney (R-MA) speaks at a rally at West Hills Elementary School in Knoxville, Tennessee on Sunday, March 04, 2012. (For The New York Times)

Republican Presidential candidate Mitt Romney (R-MA) speaks at a rally at West Hills Elementary School in Knoxville, Tennessee on Sunday, March 04, 2012.  

(For The New York Times)