Lt General David BarnoLt. General David Barno, USA (Ret.) is a visiting professor of strategic studies and senior fellow at the Philip Merrill Center at the Johns Hopkins School of Advanced International Studies. He is also a contributing editor and columnist for War on te Rocks. General Barno completed a thirty-year active duty Army career where he commanded at every level. He served with Army Ranger battalions in combat during both the Panama and Grenada invasions. General Barno was the overall commander of U.S. and coalition forces in Afghanistan from 2003 to 2005. Read More Read Less