The immediate past National Vice Chairman of the All Progressives Congress (APC) for the North-East, Mustafa Salihu, has joined the Adamawa State governorship race. Salihu unveiled his nomination and expression of interest forms to a crowd of supporters in Yola on Tuesday afternoon, when he also officially opened his campaign office. Addressing the gathering, he sought their support all the way towards achieving his ambition to lead the state, u…