Celebrities Who Testified on Capitol Hill (PHOTOS)GALLERYFrom Elmo to Ayn Rand, on topics from gun control to banning circuses, see the most famous people to give Congress a piece of their mind.The Daily BeastUpdated Jul. 12, 2017 12:52PM ET / Published Feb. 26, 2014 5:45AM ET Scott J. Ferrell/Congressional Quarterly/Getty