Acclaimed actor Don Cheadle says he prefers not to know when famous faces are going to be in the audience at his Broadway show. "Proof" is at the Booth Theater through July 19th, find tickets at https://proofbroadway.com. #Colbert #Comedy #DonCheadle #Proof #BarackObama #MichelleObama #Broadway #StephenColbert #TheLateShow Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late Show": http://bit.ly/1Puei40 Listen to "The Late Show Pod Show" podcast: