Mike Lee of Utah, Jerry Moran of Kansas, John Barrasso of Wyoming, Pat Toomey of Pennsylvania, Jeff Flake of Arizona, Tim Scott of South Carolina, John Thune of South Dakota and Ron Johnson of Wisconsin.
John McCain, Lindsey Graham, Kelly Ayotte, Pat Toomey, Bob Corker, Ron Johnson, Saxby Chambliss, Tom Coburn, John Hoeven, Dan Coats, Richard Burr and Mike Johanns.