Millions of Nigerians are getting ready to vote on February 25, in a presidential election. It is the first time since military rule ended in 1999, that there are three presidential frontrunners up for the top job. "The only power we have is through our vote, so we have to vote to try to make things change for the better," says one voter. After two terms under outgoing President Muhammadu Buhari, Africa’s most populous nation is grappling with widespread insecurity from various armed groups, high inflation, and growing poverty. IMAGES AND SOUNDBITES