The change in him since his prime was dramatic. Back on season one of The Apprentice, there had been a mix-up on one of the episodes where a contestant lost money on a task, and they were discussing figures. Donald Trump repeated a lengthy numbers sequence with no notes in front of him, calculated them in his head in moments, and came to his conclusion that the math-addled contestant should be fired. That was how sharp he used to be. Now? The blade had been dulled.

