Diplomatic efforts to ease tensions in the region have hit a setback. Gulf states were expected to meet with Iranian officials in Oman today to discuss the straight of Hormuz, but those talks have now been postponed. Joining us now is Eurasia Group senior analyst Gregory Brew who says the pendulum has swung in Iran's favor.And here's what I don't understand about that Gregory because on the one hand you read that Iran controls the two most important waterways in the world now effectively the straight of Hor ...