President of Trade Union Congress of Nigeria, TUC, Mr. Peter Esele, yesterday, said former President, Olusegun Obasanjo should be appointed by President Goodluck Jonathan to lead the negotiation with extremist Islamist group, Boko Haram.President of Trade Union Congress of Nigeria, TUC, Mr. Peter Esele, yesterday, said former President, Olusegun Obasanjo should be appointed by President Goodluck Jonathan to lead the negotiation with extremist Islamist group, Boko Haram.