Saigon Ousts Its Top Man On the Truce Commission
South Vietnam delegate to Four-Party Joint Mil Comm Lt Gen Ngo Dzu is replaced by Lt Gen Du Quoc Dong; latter por; Dzu was accused in '71 by US Repr Steele of being 1 of chief traffickers in narcotics in Southeast Asia; was dismissed as comdr of mil region in Central Highlands in '72 after troops under his command lost series of key defensive positions; was accused on FEb 9 by North Vietnamese radio of shoddy treatment of Communist delegations to mil comm; Brig Gen Phan Hoa Hiep is named Dzu's deputy