The United States spent over 20 years in Afghanistan and while a lot has been written about the missteps, there is much to be written about the solutions that would have lent to better outcomes. This is the first of a three-part series on Afghanistan and its lessons. Guest host and U.S. Army War College Fellow LTC Ranjini Danaraj and MG Donn Hill, the Commander of Security Force Assistance Command, have a candid discussion on what the U.S. Army has learned about security force assistance, bui...