America's favorite astrophysicist, Neil deGrasse Tyson, is going back on the road with his buddy William Shatner to promote their latest collaboration, "Cosmic Confidential." Stick around for more with Neil deGrasse Tyson and grab his latest book, "Take Me To Your Leader: Perspectives On Your First Alien Encounter," when it drops on May 12th. #Colbert #Comedy #NeildeGrasseTyson #TakeMeToYourLeader #Books #StarTalk #StephenColbert #TheLateShow Subscribe To "The Late Show" Channel: http://bit.ly/