About three weeks after leaving office, former  governors, ministers and lawmakers have yet to return their diplomatic  passports. According to the  law, holders of such  passports  are  required to return them to  the Nigeria Immigration Service at the expiration of their tenure. But findings by Saturday  PUNCH on Friday indicated that most of the holders of the diplomatic passports were illegally holding on to them. A diplomatic passport  holder  has free access to diplomatic lounges and consul licence number plate, among other privileges. Our correspondent also learnt that ex-commissioners, top Federal Civil Service officials and council bosses were among those