NEW YORK (AP) — Stephen Colbert chatted with Paul McCartney and joined him on stage for a raucous performance of “Hello, Goodbye” on the final broadcast of CBS’ “The Late Show” on Thursday night, a bittersweet farewell for a canceled show that still had a few barbs left for the network that ended its 33-year The post Paul McCartney helps Stephen Colbert say goodbye to ‘The Late Show’ in ambitious final show appeared first on Medicine Hat News .