International Association of Bridge, Structural and Ornamental Iron Workers, Afl-Cio, Local No. 111 v. National Labor Relations Board

SCALIA, Circuit Judge:

Section 8(b)(1)(A) of the National Labor Relations Act (“NLRA”), 29 U.S.C. § 158(b)(1)(A) (1982), makes it an unfair *243labor practice for unions to coerce employees in the exercise of their right to refrain from union activity. Section 8(b)(2), 29 U.S.C. § 158(b)(2), makes it an unfair labor practice for unions to attempt to cause employers to discriminate among employees in order to encourage union membership. Petitioner (“Local 111”) seeks review of the Board’s ruling that it violated § 8(b)(1)(A) by forcing non-Local workers to cease working; and that it violated §…