Authorities Cited: United States Code 29 U.S.C. § 158(a)(1) 29 U.S.C. § 160(e) 29 U.S.C. § 160(f) Supreme Court 340 U.S. 474, 488 456 U.S. 645, 665-666 517 U.S. 781, 786 Circuit Courts 727 F.2d 1184, 1191-1193 731 F.2d 191, 198 87 F.3d 493 173 F.3d 233, 239 209 F.3d 727, 738 508 F.3d 28, 32-33