"It’s illegal for you to use violence or the threat of violence for economic gain. It’s unlawful for you to steal someone’s identity. If you try to freeze out competition to obtain a monopoly, regulators may come down on you. If someone in your organization exposes you for wrongdoing, that whistle­blower is protected from retaliation. On the other hand, if you’re a union boss, sometimes those rules simply don’t apply. You’re exempt from many laws that apply to regular people."