"Fighting Among the Doves" James Finn, in Worldview (Apr. 1977), 170 E. 64th St., New York, N.Y. 10021. Among American former antiwar activists, as Worldview editor Finn reports, bitter controversy has broken out over evidence of totalitarian repression in South Vietnam. In Manhattan, one faction (including Finn) sent a public "Appeal" to Hanoi, December 29, protesting the Communists' detention of many leading non-Communist foes of the wartime Saigon regime. They urged Hanoi...