This article previews the Supreme Court case NLRB v. Health Care and Retirement Corp. of America, 511 U.S. 571 (1994). The National Labor Relations Act protects employees' right to unionize and their actions aimed at improving working conditions. The Act does not, however, protect supervisory employees on the premise that employers deserve the undivided loyalty of their agents. In this case, the Court is asked to decide if nurses who direct the work of aides and orderlies are employees protected from discharge in their efforts to improve working conditions, or are supervisors who can be fired for such conduct.