(July 31, 2018, 8:36 AM EDT) -- WASHINGTON, D.C. — An appellate court ruling that Congress never reduced the size of an Indian reservation must be vacated because affirmance “would plunge eastern Oklahoma into civil, criminal, and regulatory turmoil,” a prison warden in a convicted murderer’s habeas action told the U.S. Supreme Court July 23 in the opening salvo of merits briefing (Mike Carpenter v. Patrick Dwayne Murphy, No. 17-1107, U.S. Sup.)....