U.S.-Iranian negotiations have gone nowhere, with a two week cease-fire scheduled to expire on Wednesday and no agreement thus far to replace it. Both countries have blockades in place—Iran preventing most shipping out of the Persian Gulf via the Strait of Hormuz, blocking about 20 percent of global oil and gas supplies, and the United States preventing ships from entering or exiting Iranian ports—and have been issuing threats, appearing far apart. The impasse shouldn’t be surprising. U.S. and