The Affordable Care Act's individual mandate and insurance market reforms make it clear that Congress intended for federal subsidies to be available to those buying insurance in both federal and state exchanges, and it would have been absurd for Congress to limit the subsidies to those enrolled through state-run exchanges as argued by the plaintiffs in King V. Burwell , the White House says in its 154-page response to the high-profile case under review by the Supreme Court. The White...