Larry Edwin Craig
US Representative and Senator from Idaho
Susan Collins
US Senator from Maine
Norm Coleman
Lobbyist at Hogan Lovells; Former US Senator from Minnesota
Hillary Clinton
US Secretary of State & NY Senator; 2016 Democratic Presidential candidate
Tom Carper
US Senator from Delaware (2001-present); former US Rep from Delaware (1983-1993)
Bob Corker
US Senator from Tennessee
David Vitter
lobbyist, former US Senator and Representative from Louisiana
Richard Shelby
US Senator and Representative from Alabama (R-AL)
Ken Salazar
Biden Ambassador to Mexico; Former Secretary of the U.S. Department of the Interior, former Democratic Colorado U.S. senator
Claire McCaskill
NBC/MSNBC contributor, former US Senator from Missouri