In the 1982 case of Bush v. Lucas, the U.S. Supreme Court ruled that a federal employee who was demoted for publicly criticizing his employer could not sue for damages under constitutional law because he had adequate remedies under civil service laws. The plaintiff, Robert E. Bush, an aerospace engineer at NASA's George C. Marshall Space Flight Center in Alabama, claimed his First Amendment rights were violated when he was demoted after speaking out about safety concerns and mismanagement within the agency to members of Congress and news media outlets. The court acknowledged that while public employees do not surrender their constitutional rights by accepting employment with government agencies, it also recognized that there are certain limitations on those rights due to the nature of governmental operations and responsibilities towards its citizens. This decision set a precedent emphasizing deference to comprehensive statutory schemes established by Congress over judicially-created remedies in cases involving federal employees' constitutional claims arising from employment disputes.

In the dissenting opinion for Bush v. Lucas, Justice Brennan argued that federal employees should have a constitutional cause of action when their First Amendment rights are violated by supervisors. He disagreed with the majority's view that existing civil service remedies were sufficient to protect these rights and expressed concern about leaving such important decisions solely in administrative hands without judicial review. He also criticized the majority for failing to provide clear guidance on what constitutes an "adequate" remedy under its new standard, which he believed could lead to inconsistent results in future cases. Furthermore, he contended that this decision undermined previous Supreme Court rulings recognizing Bivens actions (lawsuits brought directly under the Constitution) as appropriate responses to constitutional violations by federal officials.