premise: The Late Show with Stephen Colbert is hosted by Stephen Colbert.
hypothesis: Stephen Colbert . Colbert has hosted The Late Show with Stephen Colbert , a late-night television talk show on CBS , since September 8 , 2015 . Dr. Stephen T. Colbert D.F.A. is the fictionalized persona of political satirist Stephen Colbert , as portrayed on the Comedy Central series The Colbert Report and occasionally on The Late Show with Stephen Colbert on CBS . The Late Show with Stephen Colbert is an American late-night talk show hosted by Stephen Colbert , which premiered on September 8 , 2015 .