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
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Charles Christopher Cox
Chairman of Security & Exchange Commission (2005-2009); US Rep from CA
George W Bush
43rd US president, ex-governor of Texas, son of George H W Bush
Matthew K Fong
Former California State Treasurer
National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates