Ken Griffin pulled a Harvard grad's offer. Why? Ken asked him what he'd do with $10M in the bank. "I'd quit and climb the highest peaks around the world." Ken decided that wasn't Citadel material. And the move actually makes sense. The number is not random. Citadel runs $67 billion across roughly 3,100 employees. A typical equity PM gets a ~$1.5 billion book at a 3% vol target, per published WSO economics. Hit a 1 Sharpe ratio, which is the floor for keeping the seat, and the team produces…