Marco Rubio
US Senator from Florida; (2011-present); 2016 GOP Presidential candidate
Jim Risch
US Senator from Idaho 2009-present)
Mark Warner
US Senator from Virginia (2009-present); former Governor of Virginia
Angus King
US Senator from Maine (2013-present); former Governor of Maine
Martin Heinrich
US Senator from New Mexico (2013-present); former US Rep from New Mexico
Dan Coats
Former Trump Director of National Intelligence. Senator and Representative from Indiana
Ron Wyden
Democratic US Senator and Former Representative from Oregon
Mark Udall
former US Senator and Representative from Colorado
Barbara Ann Mikulski
Former US Senator and Representative from Maryland (D)
Jim Inhofe
US Senator from Oklahoma (1994-present); former US Representative (1987-1995)