Michael Useem is William and Jacalyn Egan Professor of Management, faculty director of the Leadership Center and the McNulty Leadership Program at the Wharton School of the University of Pennsylvania. He is co-anchor for a weekly program “Leadership in Action” on SiriusXM Radio Channel 132 and co-director of the annual CEO Academy. He lives in Pennsylvania. About The Edge: How Ten CEOs Learned to Lead--And the Lessons for Us All A leader’s job—in a radically changing world—is standing on the…