John Kasich
CNN political commentator, former Ohio governor
Mark Steven Kirk
US Senator and Representative from Illinois
Hillary Clinton
US Secretary of State & NY Senator; 2016 Democratic Presidential candidate
Robert Dold
US Representative from Illinois
Jay Rockefeller
Former Democratic US Senator from West Virginia
Mark Pryor
US Senator from Arkansas
Joe Lieberman
Former US Senator for CT (1989-2013); Vice President nominee (2000)