Donald Trump talks about his US Presidential campaign on 'The Late Show with Stephen Colbert' on Sept. 22, 2015, on CBS. After gloating about Colbert's cancellation, Trump could find the host with the last laugh. Jeffrey R. Staab/CBS via Getty Images Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment The video plays like a cave painting from the Neolithic era or, even more distantly, from when late-night television still mattered: Ste...