Mitt Romney
U.S. senator from Utah, former Massachusetts governor
John McCain
US Senator and Representative from Arizona
Mary Bono Mack
US Representative from California
Democratic Senatorial Campaign Committee
Political Fundraising Committee for Democratic Senatorial Candidates
Joe Lieberman
Former US Senator for CT (1989-2013); Vice President nominee (2000)
Carol Moseley Braun
Former US Senator from Illinois
Lynn Morley Martin
US Representative from Illinois
Dick Durbin
US Senator from Illinois (1997-present); former US Rep from Illinois
J.B. Pritzker
IL Governor, Managing Partner, Pritzker Group