Isis Preaching News Today

New video posted online claims to show the new leader of isis preaching at a mosque in iraq. it is one of the first known appearances of militant leader abu bhaker al baghdadi. nbc news has not independently verified the authenticity of this video, but in the video he outlines a terrorist agenda and calls on followers to join his bloody crusade. lets bring in now counterterrorism expert and senior vice president of the sefan group richard barrett. welcome. >> thank you. >> your reaction to this ...