Nigerian President and presidential candidate of the ruling People's Democratic Party (PDP) &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Goodluck+Jonathan&amp;family=editorial&amp;specificpeople=4124968 ng-click='$event.stopPropagation()'&gt;Goodluck Jonathan&lt;/a&gt; waves to supporters as he arrives to campaign for re-election in Port Harcourt in the Niger Delta region on January 28, 2015. Nigeria's President &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Goodluck+Jonathan&amp;family=editorial&amp;specificpeople=4124968 ng-click='$event.stopPropagation()'&gt;Goodluck Jonathan&lt;/a&gt; on January 28 took his re-election campaign to the Niger Delta, knowing that victory in the key oil region will help determine the winner of next month's vote. The head of state, who is looking for a second four-year term, was in Port Harcourt, the capital of Rivers State, which is controlled by the opposition and seen as a pivotal election battleground. AFP PHOTO / PIUS UTOMI EKPEI