George Will; Four words in the ACA could spell its doom

Washington Post   "Someone you probably are not familiar with has filed a suit you probably have not heard about concerning a four-word phrase you should know about. The suit could blow to smithereens something everyone has heard altogether too much about, the Patient Protection and Affordable Care Act (hereafter, ACA)." Heretofore, "Obamacare"
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"The four words that threaten disaster for the ACA say the subsidies shall be available to persons who purchase health insurance in an exchange “established by the state.” But 34 states have chosen not to establish exchanges."