As Numsa moves beyond Irvin Jim’s leadership, the union faces a critical test: rebuilding legitimate, principled leadership focused on workers’ interests.…. Enter your email below and we'll send you a one-time pin to log in. {JSON.stringify(article.attachments[0], null, 2)} --> As Numsa moves beyond Irvin Jim’s leadership, the union faces a critical test: rebuilding legitimate, principled leadership focused on workers’ interests.