Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Rob Portman
US Senator from Ohio (2011-present); former US Representative (1993-2007); former dir. OMB
Republican National Committee
U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP
National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Kelly Ayotte
Former Republican US Senator from New Hampshire, gubernatorial candidate
Marco Rubio
Secretary of State. former US Senator from Florida; 2016 GOP presidential primary candidate
Roy Blunt
US Senator from Missouri (2011-present); former US Representative 1997-2011
