ARLINGTON, Virginia, Jan. 8 -- The U.S. Air Force issued the following news: By Charlie Pope Public Affairs Harold Brown, the 14th secretary of defense who also served as the nation's 8th secretary of the Air Force, died Jan. 4 at his home in Rancho Santa Fe, California. He was 91. The first scientist to be named defense secretary, Brown lead the Department of Defense from 1977 to 1981 under President Jimmy Carter, drawing heavily from his experience as Air Force secretary during the Vietnam more PR