It’s hard to exaggerate the alchemy of distortions that are turning ObamaCare into such a pending disaster that big insurers like Aetna, Anthem, Humana and UnitedHealth Group,once supporters, can’t cut back their participation fast enough.

ObamaCare was always going to be a questionable deal for taxpayers if the only people who signed up were poorer people whose premiums were largely paid by taxpayers. That was fine as far as insurers were concerned. They can make a profit even if taxpayers are the only ones paying.

. . .