FIRST spawned in the ghetto, drug addiction quickly spread to the middle-class suburbs, colleges and high schools. Now, in corporations across the country, the cloying whiff of marijuana in the stairwell and the hastily dumped syringe in the washroom attest to the rapid growth of on-the-job drug users.
In a General Motors plant in Los Angeles, undercover police recently smashed a ring selling drugs at lunchtime from a camper in the parking lot. In Manhattan, the Metropolitan Life Insurance Co. has dismissed more than 100 employees during the past year for using drugs. "Wall...