Kurdish peshmerga forces launched a new Offensive Wednesday targeting Islamic State Group extremists in Iraq, even as a suicide bomber killed at least four people in the Kurds' regional capital. The operation came as Turkish President Recep Tayyip Erdogan said details haven't been finalized for a deal that would have his country to train rebels to battle the Islamic State in Syria, where the militants also hold territory. That will be a major topic for retired Marine Gen. John Allen, the U.S.