AN American tourist who ran naked through a peaceful Swiss town, vandalised a church and escaped from police clutches by jumping into a lake could have been on hallucinogenic mushrooms, a local magistrate said today. The 34-year-old man from Massachussetts, who has since been allowed to return home, ran amok in the western town of Morges, by Lake Geneva, two weeks ago. He started babbling incoherently in the hotel lobby, stripped and ran naked along the quayside, broke a stained glass window in the nearby protestant temple with a stool and set a precious 1898 bible alight, police in Morges...