An exchange between two U.S. Supreme Court justices and the defense attorney during oral arguments in the King v. Burwell lawsuit Wednesday (March 4) prompted speculation that a long-cited court precedent granting federal agencies flexibility in interpreting statutes might no longer be stable ground for the Obama administration to make its case. Chief Justice John Roberts, Associate Justice Samuel Alito and Solicitor General Donald Verrilli debated how the so-called " Chevron deference" might leave the door open for...