I-Squared Act of 2013

Mark Begich

Former member Senate AK Democrat

Richard Burr

Former member Senate NC Republican

Roy Blunt

Former member Senate MO Republican

Tim Kaine

Current member Senate VA Democrat

Christopher Murphy

Current member Senate CT Democrat

Susan Collins

Current member Senate ME Republican

Martin Heinrich

Current member Senate NM Democrat

Heidi Heitkamp

Former member Senate ND Democrat

Jim Inhofe

Former member Senate OK Republican

Claire McCaskill

Former member Senate MO Democrat

John Thune

Current member Senate SD Republican

Angus King

Current member Senate ME Independent

Kirsten Gillibrand

Current member Senate NY Democrat

Mike Lee

Current member Senate UT Republican

Kelly Ayotte

Former member Senate NH Republican

Richard Blumenthal

Current member Senate CT Democrat

Christopher Coons

Current member Senate DE Democrat

Jeff Flake

Former member Senate AZ Republican

Dean Heller

Former member Senate NV Republican

John Hoeven

Current member Senate ND Republican

Amy Klobuchar

Current member Senate MN Democrat

Bill Nelson

Former member Senate FL Democrat

Marco Rubio

Former member Senate FL Republican

Brian Schatz

Current member Senate HI Democrat

Jeanne Shaheen

Current member Senate NH Democrat

Mark Warner

Current member Senate VA Democrat