The GOP’s latest counter-move against President Obama’s Affordable Care Act — King v. Burwell — is a big one. On Wednesday, the Supreme Court will hear arguments against the federal healthcare mandate’s subsidies provision, under which some 4 million individuals currently receive assistance — but many are still confused as to what King v. Burwell is really all about. It’s not surprising either: Without sifting through all the legal jargon and the usual politicking, it can be tricky to decipher what’s really going on behind the closed doors and red tape in Washington.

Read more at