The Harm in “Harm Reduction”

Vancouver’s experiment with safe-injection sites is a dead end for addicts—and a public-health risk.

Every major city in the United States seems to have its designated opioid district, a tucked-away part of town where normal rules are suspended and the drug trade shapes the social order: Kensington in Philadelphia, the Tenderloin in San Francisco, Pioneer Square in Seattle. The scenes are sadly familiar: disheveled men and women living under blue tarpa…