Nigeria’s president promises to tackle corruption and an armed insurgency as he seeks a second term in office.
John Kerry says the US is prepared to do more to help Nigeria fight Boko Haram.
The US Secretary of State is visiting the country ahead of next month’s presidential election.
Kerry has been meeting both contenders, President Goodluck Jonathan and former military leader Muhammadu Buhari.
Al Jazeera’s Yvonne Ndege reports from Abuja.
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