A man claiming to be the leader of Nigerian jihadist group Boko Haram, Abubakar Shekau, appears in a new video threatening violence against the Nigerian government should they proceed with presidential elections, and warning that the terrorist group will “enslave” all those “supporters of Francois Hollande and Obama.” The video, which was initially distributed on Twitter and since has been distributed through the SITE Intelligence group, depicts the man claiming to be Shekau before a camera, warning that the Nigerian presidential elections– already postponed due to Boko Haram suicide bombings– will never happen. The elections are scheduled to occur on...