close Video Tucker: It's not critical race theory, it's racism' Tucker Carlson Tonight' host takes aim at Gen.... Mark Milley's comments on critical race theory in the militaryIn 1851, a man called Samuel Cartwright came up with a fairly sophisticated scientific explanation for why so many slaves were running away from plantations in the American South.... These fugitive slaves, Cartwright explained, were suffering from a medical disorder called" Drapetomania," a syndrome characterized by an"