Opposition candidate Gen. Muhammadu Buhari waves to supporters after casting his vote in his home town of Daura, northern Nigeria Saturday, March 28, 2015. Nigerians went to the polls Saturday in presidential elections which analysts say will be the most tightly contested in the history of Africa's richest nation and its largest democracy. (AP Photo/Ben Curtis) (The Associated Press)
ABUJA, Nigeria – Nigeria's presidential election is a very tight race that many analysts say is too close to call. Here's a look at the two front-runners in the race.
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