S ecretary of State Marco Rubio has for months been working to seal an agreement between the Israeli and Lebanese governments to clamp down on Hezbollah and allow Israel to withdraw its forces from Southern Lebanon. Then, last week, the future of Lebanon appeared front and center in the new agreement between the United States and Iran championed by Vice President Vance—giving Tehran a big say in Lebanon’s future. The result is that the U.S. is now negotiating over one country on two different