'An Exchange Established By the State'

Michael Carvin (L), lead attorney for the petitioners and partner at Jones Day, speaks to members of the media as Attorney General of Oklahoma Scott Pruitt (R) listen outside the U.S. Supreme Court.

New York Times Magazine correspondent and Slate Political Gabfest panelist Emily Bazelon goes through the oral arguments heard yesterday in King v. Burwell, a Supreme Court challenge to the Affordable Care Act.