U.S. Republican presidential candidate, former Massachusetts Governor Mitt Romney, and Florida Senator Marco Rubio address the media before holding a rally at Mustang Expediting in Aston

 
U.S. Republican presidential candidate, former Massachusetts Governor Mitt Romney, and Florida Senator Marco Rubio address the media before holding a rally at Mustang Expediting in Aston
U.S. Republican presidential candidate, former Massachusetts Governor Mitt Romney (R), and Florida Senator Marco Rubio address the media before holding a rally at Mustang Expediting in Aston, Pennsylvania, April 23, 2012. REUTERS/Mark Makela (UNITED STATES - Tags: POLITICS ELECTIONS)