(July 7, 2016, 11:38 AM EDT) -- WASHINGTON, D.C. — The National Labor Relations Board (NLRB) acted unreasonably when it overturned an arbitration decision regarding union members’ display of pro-union signs, a divided District of Columbia Circuit U.S. Court of Appeals panel ruled June 21 (Verizon New England Inc. v. National Labor Relations Board, No. 15-1062, D.C. Cir.; 2016 U.S. App. LEXIS 11187)....