Iran ’s release of 10 United States Navy sailors on Wednesday, less than 24 hours after they were detained on the Persian Gulf, is being hailed in both countries as a sign that their relations have evolved since the signing of the nuclear accord last summer. Secretary of State John Kerry thanked the Iranians “for their cooperation in swiftly resolving this matter” and suggested in a statement that the quick resolution of the issue was a product of the nearly daily back-and-forth that now takes place between Washington and Tehran, after three decades of hostility and stony silence. In an appearance later Wednesday at the National Defense University in Washington, Mr. Kerry said that his focus on diplomacy with a country “we hadn’t talked to for 35 years” before the nuclear negotiations had paid off. “These are always situations that as everybody knows, if not properly handled, […]