The collapse of talks between Iran and the “Big 6″ (the five permanent members of the UN Security Council plus Germany) should have accelerated international crude oil prices. And yes, they are higher. But the real spike hasn’t hit. Not yet. The rising crisis atmosphere in the region and the genuine possibility that a fourth round of talks between the two sides will not even take place should have renewed the upward movement. That hasn’t taken place yet, either. Oil prices are c…

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