When a leader operates in a social dynamic, the better they are at execution, the more likely they are to be in error. Their focus on achievment gets in their way of thinking. I am not against achievement. It is essential. But, those who are effective often have less time to consider the very grounding of their action. Doing things right is not as important as doing the right things. These men and women become forces, and as Newton has observed: An object in motion tends to stay in motion.