WordPerfect version No. Justice Stevens , dissenting.
Federal prosecutors are respected members of a respected profession.
United States v. Nevertheless, the possibility that political or racial animosity may infect a decision to institute criminal proceedings cannot be ignored. For that reason, it has long been settled that the prosecutor's broad discretion to determine when criminal charges should be filed is not completely unbridled. As the Court notes, however, the scope of judicial review of particular exercises of that discretion is not fully defined. See ante , at 13, n. 3.