Mealey's (December 8, 2017, 9:15 AM EST) -- WASHINGTON, D.C. — Several U.S. states and other parties opposing the repeal of the Deferred Action for Childhood Arrivals (DACA) program filed briefs in the U.S. Supreme Court Dec. 6, arguing against the federal government’s petition for mandamus to halt an order requiring discovery of purported privileged deliberative documents (In re United States, et al., No. 17-801, U.S. Sup.)....