Accused wife-beating state cop Tim White and his wife led a hard-partying life of coke snorting and three-way sex that sent the respected trooper into a downward spiral of depression and violence, according to court records and affidavits obtained by the Herald. In the aftermath of a harrowing ordeal at their Stoughton home last week during which White allegedly stuck a gun in his wife's mouth, Maura White told police a sordid tale of a nine-year marriage gone awry. She said her husband, a 16-year trooper and former department spokesman, had grown depressed over the past three years and was...