Former First Lady, Nana Konadu Agyemang Rawlings has endorsed the candidature of Nana Akuffo Addo with less than 48 hours to go for this year�s general elections which most pundits believe will be a two-horse race between the incumbent, President John Mahama of the National Democratic Congress (NDC) and Nana Akufo-Addo, flagbearer of the New Patriotic Party (NPP).