The crisis in the Gulf Cooperation Council (GCC) has reached a turning point. U.S. Secretary of State Rex Tillerson signed an agreement on counterterrorism with the Qatari government July 11, the second day of a trip designed to diffuse the tension in the bloc. Though the content of the deal is vague, its message is clear: The United States has had enough of the feud between Qatar on one side and Saudi Arabia and the United Arab Emirates on the other. Riyadh and Abu Dhabi will have to reassess their position in the dispute with Doha, much of which centered on Qatar's alleged support for terrorist organizations, in the wake of the memorandum of understanding. But even if the agreement hastens a resolution to the current conflict in the bloc, another one probably won't be too far behind....