Col. Keith Nightingale, US Army (Ret.)

Keith Nightingale is a retired Army colonel who served two tours in Vietnam, first as a senior advisor to a Vietnamese Ranger battalion and then as a rifle company commander. He later helped create the U.S. special operations forces, with tours in Latin America and the Middle East. He was an assault force commander in Grenada and instrumental in the reconstitution of Panama, as well as the elimination of Pablo Escobar. He now grows limes in Ojai, California.