On January 26, 2015, the U.S. Supreme Court published M&G Polymers USA, LLC v. Tackett, 574 U.S. ___ (2015); 2015 U.S. LEXIS 759 (Jan. 26, 2015), addressing a long-standing issue concerning retiree medical benefits that has plagued employers of unionized facilities for over thirty years. The M&G Polymers Court reviewed a case from the…