BETHESDA, Md. — Quentin C. Aanenson, a Minnesota-born fighter pilot whose wartime experiences helped millions of television viewers understand World War II, has died. A subject of Ken Burns' documentary "The War" and the producer of his own film a decade earlier, Aanenson died Sunday of cancer at his home in Bethesda, his son, Jerry, said. He was 87. "He lived a magnificent life," Jerry Aanenson said. "He said if he had a chance to be 15 again, he wouldn't take it." The native of Luverne, Minn., flew 75 combat missions in Europe as a captain in P-47 Thunderbolt fighters....