Three men aboard a 20-foot cabin cruiser were thrown into 52-degree Tomales Bay waters last Friday morning when engines failed and the vessel capsized about a mille off shore. A Good Samaritan boater, who responded to distress calls issued on channel 9, hoisted the men into his boat before the Coast Guard arrived on scene and took them back to the Bodega Bay station to be treated by local paramedics. The men waded in the…