What makes some CEOs like Herb Kelleher, Richard Branson, and Jack Welch great leaders? Why do others fail to reach this summit?

This question is particularly important to the PR community, where a strong corporate leader is indispensable to the company's ultimate success. He or she is the one who represents the company in front of the media, to employees, and to shareholders. So what is leadership? Leadership is about vision, creativity, and imagination. A leader has to see the future, ...