WASHINGTON (Reuters) - U.S. Defense Secretary James Mattis met with Saudi Deputy Crown Prince Mohammed bin Salman on Thursday and they discussed U.S.-Saudi military cooperation in the fight against Islamic State, the Pentagon said in a statement. Mattis and Prince Mohammed, who is the kingdom’s defense minister, also discussed “confronting Iran’s destabilizing regional activities,” the statement said.   
Pentagon chief, Saudi deputy crown prince discuss fight against Islamic State