(February 5, 2016, 3:51 PM EST) -- WASHINGTON, D.C. — A law enacted to combat domestic violence on Indian reservations does not violate the U.S. Constitution when used to prosecute offenders in federal court who have valid prior convictions in tribal court for which they were not represented by counsel, the federal government tells the U.S. Supreme Court in its Jan. 28 opening brief on the merits (United States of America v. Michael Bryant, Jr., No. 15-420, U.S. Sup.; 2016 U.S. S. Ct. Briefs LEXIS 419)....