Experts, legal luminaries query executive fiat   From Abdullateef Aliyu and Muhammed Musbau, Lagos; Faruk Shuaibu and Idowu Isamotu (Abuja)   President Bola Tinubu’s Executive Order 9 issued last week to end the Nigerian National Petroleum Company Limited (NNPC Limited’s) retention of 30 per cent of oil revenues has continued to generate reactions in the […]