ILYA SOMIN responds to Justice Breyer’s consequentialism.

This argument ignores social science evidence suggesting that extreme gun bans like those of DC and Chicago cost at least as many innocent lives than they save. Still, gun rights probably do cause at least some deaths that might otherwise have been prevented.

In that respect, however, they are no different from numerous other constitutional rights. Justice Breyer’s argument in McDonald is actually very similar to Justice Antonin Scalia’s dissent in Boumediene v. Bush, where Scalia warned that giving habeas corpus rights to War on Terror detainees “will almost certainly cause more Americans to be killed.” That argument didn’t move Breyer, who voted with the majority to extend those rights.

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