Green River Star -

At the end of its 2014-15 term the Supreme Court decided that the key component of the Affordable Care Act---the tax subsidies available to help people buy health insurance---would continue in all states. Justices addressed a challenge that the subsidies were legal only in the 17 states that ran their own shopping exchanges and not in the rest that chose to use the marketplaces operated by the federal government.

That’s good news for the more than six million Americans whose subsidies were in doubt. The government’s own statistics make clear that most of these people would not be able...