HEATHER MACDONALD: The Decriminalization Delusion. “America doesn’t have an incarceration problem—it has a crime problem.”

Some high-profile figures on the right are joining the chorus on the left for deincarceration and decriminalization. Newt Gingrich is pairing with left-wing activist Van Jones, and the Koch brothers have teamed up with the ACLU, for example, to call for lowered prison counts and less law enforcement. Republican leaders on Capitol Hill support reducing or eliminating mandatory sentences for federal drug-trafficking crimes, in the name of racial equity.

At the state and city levels, hardly a single criminal-justice practice exists that is not under fire for oppressing blacks. Traffic monitoring, antitheft statutes, drug patrols, public-order policing, trespass arrests, pedestrian stops, bail, warrant enforcement, fines for absconding from court, parole revocations, probation oversight, sentences for repeat felony offenders—all have been criticized as part of a de facto system for locking away black men and destroying black communities.

There may be good reasons for radically reducing the prison census and the enforcement of criminal laws. But so far, the arguments advanced in favor of that agenda have been as deceptive as the claim that prisons are filled with casual drug users.