U.S. Republican Presidential candidate Mitt Romney speaks on a river boat in Iowa

 
U.S. Republican Presidential candidate Mitt Romney speaks on a river boat in Iowa
U.S. Republican Presidential candidate Mitt Romney speaks to supporters on a Mississippi River boat, the Spirit of Dubuque, in Dubuque, Iowa, June 18, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ELECTIONS)