DUBLIN, Ireland (AP) -- An Air Canada co-pilot having a mental breakdown had to be forcibly removed from the cockpit, restrained and sedated, and a flight attendant with flying experience helped the pilot safely make an emergency landing, an Irish investigation concluded Wednesday. The report by the Irish Air Accident Investigation Unit into an incident in January applauded the decision-making of the pilot and the cockpit skills of the flight attendant, who stepped into the co-pilot's seat for the emergency diversion to Shannon Airport in western Ireland.None of the 146 passengers or ...