'Fighting drug abuse is serious business. Addiction kills more people than car accidents. A third of drug users are unemployed. With health-care costs, it amounts to a $180 billion-a-year sinkhole, and, since we’re tabulating, toss in the war Nixon declared on drugs in 1971, which has cost taxpayers another $1 trillion. The wreckage of life is incalculable—despair over seemingly unkickable habits, relapse rates that swell as high as 90 percent. Cocaine is especially insidious. It results in the most drug-related ER visits and has no substitute-drug helper, like methadone for heroin.'