Mitt Romney
U.S. senator from Utah, former Massachusetts governor
National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Jeff Flake
US Ambassador to Turkey; Former US Senator and Representative from Arizona
Republican National Committee
U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP
Michele Bachmann
former US Representative from Minnesota
Norm Coleman
Lobbyist at Hogan Lovells; Former US Senator from Minnesota
John P. Kline, Jr.
Republican US Representative from Minnesota