REFERENCE is to Deena Khatkhate's letter 'Flawed from Start' (April 25) from Washing ton, DC. Khatkhate has grossly exaggerated the differences between Rosa Luxemburg and V I Lenin. It must be stated that Rosa Luxemburg was a revolutionary Marxist and not a liberal democrat. Her concern for democracy was that of a revolutionary Marxist and that is why she was in sympathy and solidarity with the Russian revolution,