WASHINGTON - The remains of four U.S. servicemen missing in action since the Vietnam War have been identified and will be returned to their families for burial, the Pentagon said Tuesday. All from the Army's 101st Airborne Division, they are Maj. Jack L. Barker of Waycross, Ga.; Capt. John F. Dugan of Roselle, N.J.; Sgt. William E. Dillender of Naples, Fla.; and Pfc. John J. Chubb of Gardena, Calif. Chubb will be buried in Inglewood, Calif., this week. Barker, Dugan and Dillender will be buried in April in Arlington National Cemetery, said the Defense Department POW/Missing Personnel Office. Their helicopter...