Ken Salazar
Biden Ambassador to Mexico; Former Secretary of the U.S. Department of the Interior, former Democratic Colorado U.S. senator
Jane Norton
Former Lt. Governor of Colorado
Michael Bennet
US Senator from Colorado
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Rudy Giuliani
Trump adviser; former mayor of New York City
Joe Lieberman
Former US Senator for CT (1989-2013); Vice President nominee (2000)
John Kerry
68th US Secretary of State, Senator from Massachusetts
John Tony Salazar
Democratic US Representative from Colorado