Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Joe Barton
former US Representative from Texas (1985-2019)
National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Alan L Keyes
Conservative political activist, author, former diplomat, and perennial candidate for public office
Rudy Giuliani
Trump adviser; former mayor of New York City
Phil Gramm
US Representative and Senator from Texas
George W Bush
43rd US president, ex-governor of Texas, son of George H W Bush
Brian P Bilbray
US Representative from California
Matthew K Fong
Former California State Treasurer
