Former President Olusegun Obasanjo has said that politicalleaders, not farmers should be blamed for the failure ofNigeria and Africa to take advantage of advancement inscience and technology for the development of the agriculturalsector.The former president stated this at a lecture organized tomark his 86th birthday in Abeokuta, the Ogun State capital.Obasanjo said politicians caused the inability of the country toa...