Heh, you do know that fellow traveller was a term in use in the 20's in the USSR. LDT came up with it or Lunacharsky, if memory serves.
A New Left historian, who follows Carrol, JD and A. Theoharis, among others, in calling McCarthyism, Trumanism, in his history of Cold War repression on Communists and fellow travellers, David Caute, in, "The Great Fear, ' published in the late 70's, in an earlier work, "The Fellow-Travellers: A Postscript to the Enlightenment, " has much to say, very negative on the famous like Lincoln Steffins and the obscure.To those who wouldn't pick up a similiar work by a neo-con, "Political Pilgrims, " by Paul Hollander, it makes the Sandalista type illusions harder to maintain.
London: Weidenfeld & Nicolson, 1973; New York: Macmillan, 1973; revised edition, as The Fellow-Travellers: Intellectual Friends of Communism, New Haven, CT: Yale University Press, 1988. -- Michael Pugliese