U.S. Presidential Campaign Trails (in chronology): ROM_01

Secret Service agents watch Republican Presidential candidate Mitt Romney (R-MA) greet the crowd after speaking at Bakers of Milford in Milford, Michigan on Thursday, February 23, 2012. (For The New York Times)

Secret Service agents watch Republican Presidential candidate Mitt Romney (R-MA) greet the crowd after speaking at Bakers of Milford in Milford, Michigan on Thursday, February 23, 2012.  

(For The New York Times)