SAN PEDRO, Calif. —The Coast Guard responded to an unmanned and adrift dinghy near the coast of Montaña de Oro State Park, Monday. Watchstanders at Coast Guard Sector Los Angeles-Long Beach command center received a report at approximately 3:30 p.m, of the unmanned dinghy. A 47-foot Motor Life Boat crew from Coast Guard Station Morro Bay and an MH-65 Dolphin helicopter crew from Coast Guard Forward...