(February 7, 2017, 8:19 AM EST) -- BOSTON — A decision on whether a nurses union may proceed with allegations that a successor employer violated an agreement when it refused to submit a pending grievance to arbitration should be made by an arbitrator and not the courts, the First Circuit U.S. Court of Appeals ruled Feb. 3 (Prime Healthcare Services – Landmark LLC v. United Nurses and Allied Professionals, Local 5067, No. 16-1161, 1st Cir., 2017 U.S. App. LEXIS 2038)....