VIETNAM INVASION OF KAMPUCHEA [excerpts]

“It all appears very confused when communists start fighting communists, but I think it’s fairly simple here really: the border fighting merely provided an excuse for something that was bound to occur sooner or later; if there had not been border fighting it might have had to be achieved through a coup d’état in Phnom Penh, or an infiltration of Pol Pot’s Communist Party, but