Political versus Corporate Leadership, Part II: Admitting Mistakes The press conference this past spring where President Bush embarrassingly refused to admit that he had ever made any big mistakes, other than to reiterate his gaffe at trading Sammy Sosa when he owned the Texas Rangers, brings up another issue in this series: is it good for leaders, both political and corporate, to admit mistakes? On the corporate side, I think the ability to admit a mistake is a must. Again, I’ll refer back to Jim Collins’ books Good to Great and Built to Last, both of which talk about humility and the ability to admit mistakes as a critical component of emotional intelligence, the cornerstone of solid leadership. And in…