As the Iran war rattles the global economy, some U.S. allies are making an unusual request: permanent access to an endless supply of U.S. dollars. I understand that the U. A.E. Is looking for a swap line. The swap line would both benefit the U.A. E. And the U.S. That's not a small request.United Arab Emirates is nowhere close to those major central banks, which had unlimited standing swap lines in terms of its financial interconnectedness with the United States. They cited the examples of the permanent unli ...