National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Republican National Committee
U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Charles Christopher Cox
Chairman of Security & Exchange Commission (2005-2009); US Rep from CA
John Campbell
US Representative from California
John McCain
US Senator and Representative from Arizona
Chuck Grassley
US Senator and Representative from Iowa (1981-present); former US Representative (1975-1981)
John Thune
US Senator from South Dakota (2005-present); former US Representative (1997-2003)