John McCain
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
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
George W Bush
43rd US president, ex-governor of Texas, son of George H W Bush
Michael Steele
Former Chairman, Republican National Committee
National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Jim Talent
former US Representative and Senator from Missouri
Bob Corker
US Senator from Tennessee