The Bill of Rights was designed to protect the American public from encroachments of liberty by the federal government. During times of war, the president often spearheads efforts to limit rights in the name of national security. When these cases make their way through the federal courts system, it is expected that the judiciary would use rights-based language in their adjudication of cases dealing with such rights-based claims. Zones of Twilight shows that the courts actually use the separation of powers to decide these cases. In other words, the courts look to see if Congress has authorized...