These senators filibustered for 12 hours in 2013 to protest Obama's drone strikes. It was kind of a big deal at the time. #StandWithRand ring a bell? Perhaps you're not old enough to remember.

Rand Paul (R)

Ted Cruz (R)

Marco Rubio (R)

Mike Lee (R)

Pat Toomey (R)

John Thune (R)

John Barrasso (R)

Tim Scott (R)

John Cornyn (R)

Jerry Moran (R)

Ron Johnson (R)

Jeff Flake (R)

Mitch McConnell (R)

Saxby Chambliss (R)

Mark Kirk (R)

Sen. Ron Wyden (D)