Republican presidential candidate Mitt Romney greets supporters during a rally in Manchester, New Hampshire

 
Republican presidential candidate Mitt Romney greets supporters during a rally in Manchester, New Hampshire
Republican presidential candidate Mitt Romney greets supporters during a rally in Manchester, New Hampshire April 24, 2012. Romney launched his campaign as the presumptive Republican presidential nominee and looked set to sweep five primaries on Tuesday, turning his attention to the November general election showdown against President Barack Obama and declaring "a better America begins tonight." REUTERS/Dominick Reuter (UNITED STATES - Tags: POLITICS ELECTIONS)