Iranian Supreme Leader Mojtaba Khamenei announced on Saturday that revenge for his father's assassination "will most certainly be carried out." Why it matters: The statement was published after the burial ceremony for his father, former Supreme Leader Ali Khamenei. Throughout the weeklong funeral procession, there were massive public calls for the death of President Trump. Mojtaba Khamenei, who didn't appear in public during the funeral ceremonies, didn't specifically mention Trump. But earlier