The Nightly Show - Neil deGrasse Tyson Slams Flat-Earth Theorist

Rapper creates a science emergency by insisting that the Earth is flat, and astrophysicist Neil deGrasse Tyson comes to the rescue. Watch full episodes of The Nightly Show now -- no login required: The Nightly Show with Larry Wilmore airs weeknights at 11:30/10:30c on Comedy Central.