Xinis’ discovery order “sets up a high-stakes sprint,” said Kyle Cheney and Josh Gerstein in Politico, during which Trump officials may be forced to reveal much about their arrangement with El Salvador. But “the Justice Department appears likely to throw up a series of legal obstacles,” including claims of confidentiality and national security. If that happens, expect the case to boomerang “back to SCOTUS,” said Jonathan V. Last in The Bulwark. Surely, as our authoritarian president seeks to establish his dominion over the courts, Chief Justice John Roberts can see “what Trump is playing at.” So, does he gamble on standing up to Trump? If “SCOTUS pushes all in on this case and loses, then it can no longer even pretend to have authority over the executive,” rendering the…