Andrew Aquilante, of Phoenixville, Pa., has defended an SCCA National Championship for the second time this week, repeating in GT-2 at the SCCA National Championship Runoffs on Saturday in a route. Spencer Trenery, of Berkeley, Calif., and Mark Boden, Winnetka, Ill., ran second and third at Mazda Raceway Laguna Seca.Aquilante...