sentences:  Philip Agee was an ex-Central Intelligence Agency (CIA) officer living overseas who in 1974 declared a "campaign to fight the U.S. CIA wherever it is operating" and revealed the identities of several CIA officers resulting in violence against them.The Secretary of State revoked Agee's passport in 1979.Agee sued, alleging the secretary had no such authority, had denied him procedural due process rights, his substantive due process "liberty" right to travel under the Fifth Amendment, and had violated his First Amendment right to criticize government policies.