For standing up to the idea of drone attacks against US citizens on American soil.
Senator Paul led, and eventually some followed. NiceDeb lists the followers: Mike Lee, Ted Cruz, Jerry Moran, Ron Wyden and Marco Rubio.
So 6% of the US Senate will filibuster a proposed law that will authorize the president to launch drone attacks against
Thank you Rand Paul.
AP video of Rand Paul winding down his filibuster:
What terrorists do you think Stalin, Mao or Pol Pot would have targeted if they had had drones?