By Luminous JannamikeABUJA — Former National Chairman of the All Progressives Congress (APC), Dr Abdullahi Umar Ganduje, on Wednesday blamed the growing wave of political defections on the absence of ideology in Nigeria’s political parties.Speaking at the public presentation of ‘Nigeria’s Journey to Democratic Rule,’ a book by Abuja Bureau Chief of New Telegraph newspaper, journalist Onyekachi Eze-Odezulu in the nation’s capital, Ganduje said poli