By Jonathan Ugbal The Director General of the World Trade Organisation, Dr. Ngozi Okonjo-Iweala, the Founder of the Tony Elumelu Foundation, Tony Elumelu are among dignitaries in the line-up of activities for the one-year memorial of Mrs Amaka Ndoma-Egba, wife of the leader of the seventh senate, Victor Ndoma-Egba. Mrs. Ndoma-Egba died in a motor