barry richard mccaffrey (born november 17, 1942) is a former united states army officer and current news commentator, professor and business consultant. he served on u.s. president bill clinton's cabinet as the director of the office of national drug control policy from 1996 to 2001. he received three purple heart medals during his service in the vietnam war, two silver stars, and two distinguished service crosses — the second-highest u.s. army award for valor.