In late 1978 he was once again despatched as an envoy to Rhodesia , seeking to accelerate the handover of power to the majority population .
As in 1965 , he made little headway in persuading Ian Smith to co-operate .
In late 1978 he was once again despatched as an envoy to Rhodesia , seeking to accelerate the handover of power to the majority population , but as in 1965 , he made little headway in persuading Ian Smith to co-operate .