MARSEILLE, France, April 7 (AFP) - A French underwater salvage team has discovered the remains of the plane piloted by the author of "The Little Prince", Antoine de Saint-Exupery, six decades after his mysterious disappearance, state researchers said Wednesday. The pieces of the famous writer and aviator's Lockheed Lightning P38 aircraft, which vanished July 31, 1944 during a wartime reconnaissance mission, were found off the coast of the Mediterranean city of Marseille, the Culture Ministry's Department of Sub-aquatic and Submarine Archeological Research said. The discovery is a galvanising moment for France, which had long speculated as to the fate of...