Once you've discovered your strengths, you need to discover something else: your strengths can work against you. You can have too much of a good thing. Many leaders know this on some intuitive level, and they see it in others. But they don't see it as clearly in themselves. Mainly, they think of leadership development as working on their weaknesses. No wonder. The tools used to assess managers are not equipped to pick up on overplayed strengths. Nowhere in most assessments is there language or diagnostics that can reveal when someone is overdoing it - when more is not better. Nationally...