David Letterman and Stephen Colbert at the Kennedy Center Honors

Stephen Colbert made his CBS debut last night as host of the 37th Annual Kennedy Center Honors. While Stephens role was largely to open and close the show, he did briefly appear on stage with David Letterman, who was on hand to and to introduce Tom Hanks, as the pair made a fleeting reference to upcoming transition which will take place on the “Late Show” in 2015.