NEW ORLEANS - Barry Cowsill, a member of the popular 1960s singing family The Cowsills, was found dead on a wharf nearly four months after he disappeared when Hurricane Katrina flooded the city. He was 51. Cowsill's body, recovered Dec. 28 from the Chartres Street Wharf, was identified with dental records Tuesday, said Dr. Louis Cataldie, head of the state hurricane morgue in Carville. The coroner had not determined the cause of death but believed it was related to the devastating storm, which struck the city Aug. 29. Cowsill, who lived on and off in New Orleans, had not been...