It gives me no pleasure to report that I agree, on just this one thing, with Donald Trump Jr., who went on The View Thursday to say he shouldn’t be condemned for naming the Ukraine whistle-blower when ABC News is cracking down on its own Jeffrey Epstein–related leaker. This is a matter on which Trump Jr. is both self-serving and hypocritical, but let us acknowledge this broken clock. News organizations should not hunt down leakers in their ranks, not when it’s a matter of valid public interest — specifically, how the press reported on a serial abuser — even if...