Before the show is broadcast, Stephen Colbert usually takes questions from the audience. His reaction to a question by a female college student, "if you have Donald Trump on your show tonight, what would you ask him?” had the audience in stitches.

Trump has come under increasing scrutiny of late for his business ties to Russia, his coziness with the authoritarian Russian president Vladirmir Putin, and just yesterday his call for the Russians to hack Hillary Clinton.