Nikolai Popov. freedom of travel to go to LSU and speak to a campus rally. State waived passport requirement to six nativeborn black Rhodesians last September 10 to attend U.S. colleges. Yet. State forbade a visa to the Honorable Ian Smith. Prime Minister of Rhodesia. to enter the United States and speak before a University of Virginia student group. and likewise refused a visa to permit Moise Tshombe. of Katanga. to enter the United States. Most assuredly a triple standard--one for Russian Communists. one for Rhodesian blacks. and a separate standard for Christian antiCommunists. Why does the State Department discriminate against Christian leaders of friendly nations?