Former Commander of Afghanistan General (Ret.) Stanley McChrystal shares lessons from Afghanistan, the impact of the withdrawal, what makes a great leader and what he is most proud of in his career. Former Defense Secretary Robert Gates has described General McChrystal as, "Perhaps the finest warrior and leader of men in combat I have ever met." Learn what General McChrystal believes to be the biggest risk facing the U.S. and the solution.Gen. McChrystal rose to four-star general in the U.S. Army and Commander of both the International Security Assistance Force and Commander of the U.S. Forces in Afghanistan. He previously served as Director of the Joint Staff and as Commander of the Joint Special Operations Command. He is the author of several books, including Leaders and Risk, and is currently a senior fellow at Yale University's Jackson Institute for Global Affairs and co-founder of the McChrystal Group, a leadership consulting firm.