Despite the fact that innovative cultures are desirable, and that most leaders claim to understand what they entail, they are hard to create and sustain. That’s because the easy-to-like behaviors that get so much attention are only one side of the coin. They must be counterbalanced by some tougher and frankly less fun behaviors: an intolerance for incompetence, rigorous discipline, brutal candor, a high level of individual accountability, and strong leadership.