Sir: The events of 1975 which Hal Colebatch analyses (June 2014), still reverberate in at least two respects. First, leftists in Australia have yet to face up to their racism in supporting the imposition of neo-Stalinism on the Vietnamese people. They themselves would not tolerate the thought of living under a dictatorship which denied them basic rights such as freedom of expression and assembly, but decided in their wisdom that it was the best system for benighted Asians who wouldn’t know how to appreciate liberal democracy. Today, far from trying to expose the human rights abuses practised by the Hanoi…