Next month will mark the fourth anniversary since the start of the Syrian conflict, and there are no signs that the crisis will abate anytime soon. Assad has demonstrated no remorse, and, indeed, his intransigence has only hardened as he maintains his grasp on power and the enclaves of Syria, thanks to the support from Iran and the United States' unwillingness to engage both ISIL and Assad in a comprehensive strategy. ISIL and other terror groups...