Crippling fuel shortages, power cuts, slowing economic growth and Islamist militants wreaking havoc. Muhammadu Buhari is taking on a tough job when he’s sworn in as Nigeria’s president on Friday. Former military ruler Buhari, 72, swept incumbent Goodluck Jonathan from office in March elections by pledging to end endemic corruption and Boko Haram’s rebellion in the north. His stewardship of Africa’s biggest oil producer, this time as elected president, may depend on the price of crude, which supplies the government with more than two-thirds of its income. “If you look at expectation and look at funding, there’s quite a gap,” Olusegun Sotola, a research fellow at the Lagos-based Initiative for Public Policy Analysis, said by phone. “Buhari is going to be running a government without the necessary funding, which is a big problem because […]