Nigeria was the to the polls today to elect the next president, but that has been delayed. The winner will face a tough job running Africa's largest and most populous nation. Nigeria has rampant corruption, and a jihad insurgency characterised by brutal violence on ordinary citizens. The incumbent President is Goodluck Egbe Jonathan, seen by many to have been a failure, his opponent, a former military dictator Muhammadu Buhari. Martin Cuddihy is based in Kenya for the ABC.