Katzenbach v. Morgan
[Syllabus from pages 641-642 intentionally omitted]
Sol. Gen. Thurgood Marshall and J. Lee Rankin, New York City, for appellants.
Alfred Avins, Memphis, Tenn., for appellees.
Rafael Hernandez Colon, Ponce, P.R., for Commonwealth of Puerto Rico, as amicus curiae.
Jean M. Coon, Albany, N.Y., for State of New York, as amicus curiae.
Mr. Justice BRENNAN delivered the opinion of the Court.