President Obama took a victory lap with a speech this morning, after the U.S. Supreme Court upheld a key provision of the Affordable Care Act. At issue was a clause in the law that could have stripped subsidies from people who use the federal insurance exchange to buy healthcare. The 6-3 decision held that Congress had intended to cover all states with subsidies, not just states that developed their own healthcare exchanges. We get an explainer on the decision and what it means for everyday healthcare.