Are the U.S. and Iran in a forever war?

<p>Five months on, America and Iran can't even agree on whether they are negotiating or not. The Economist's Gregg Carlstrom brings us the latest on the effort to reopen the Strait of Hormuz. Iran expert Ali Vaez says President Donald Trump is stuck between an unwinnable war and an unpalatable peace.</p><p><br></p>