Nigerian power problems old and new frustrate Buhari's economy push

By Alexis Akwagyiram and Libby George LAGOS/LONDON (Reuters) - Nigeria's biggest power station shows the huge problems that President Muhammadu Buhari must overcome if he is to fulfil his promise to tackle chronic electricity shortages and reform an economy in recession. Buhari won last year's presidential election with pledges to increase power capacity exponentially during his four-year term and meet the demands of Nigeria's 180 million people entirely within a decade. Buhari wants to diversif