NLRA § 9(a) states that a union chosen as representative by the majority of employees in a bargaining unit is the exclusive representative of all employees in the unit for collective-bargaining purposes. 29 U.S.C. § 159(a).

Glenn belonged to a bargaining unit represented by a union. Glenn didn’t support the union and had voted against it in the representation election. Could Glenn meet individually with his supervisor to negotiate his own terms for salary and benefits?

No, he...