Mark Pryor
US Senator from Arkansas
Ben Nelson
former Nebraska US Senator, governor
Bill Nelson
Democrat US Senator and Representative from Florida; Biden nominee to head NASA
John McCain
US Senator and Representative from Arizona
Dave Loebsack
US Representative from Iowa
Carl Levin
Former US Senator from Michigan
Rick Larsen
US Representative from Washington (D-WA 02; 2001-present)
Jim Inhofe
US Senator from Oklahoma (1994-present); former US Representative (1987-1995)
Lindsey Graham
US Senator from South Carolina (2003-present); former US Representative (1995-2003)
Trent Franks
US Representative from Arizona