Career setbacks can send individuals into a tailspin and some never recover. Yet others use obstacles to reassess, recommit, and re-establish themselves in a new and often more rewarding career. In this Career Cast, Tad Waddington, Ph.D., Director of Performance Measurement at Accenture, and author of "Lasting Contribution: How to Think, Plan, and Act to Accomplish Meaningful Work," shares his global research, insights and wisdom.