Holding that union employees' refusal to install third-party manufacturer's product was not prohibited under § 158(b)(B), because it was an action "pressuring the [union members'] employer for agreements regulating relations between [the employer] and his own employees"
Stating that if a union were to attempt to capture work it had previously acquiesced to non-union workers' performing, such conduct would serve "not to preserve, but to aggrandize, its own position and that of its members," concluding that "[s]uch activity is squarely within the statute" and thus prohibited
Finding determination by NLRB that dues unlawfully withheld on Davis–Bacon projects did not taint union's job targeting program was inadequate to support determination that operation of program was protected conduct, and remanding to NLRB to consider further evidence
Noting that the test for violations of sec. 8, now codified as sec. 8, of the NLRA is whether "the employer engaged in conduct which, it may reasonably be said, tends to interfere with the free exercise of employee rights under the Act," and that actual or successful coercion need not be shown in order for the Board to find a violation