The U.S. is choking off Iran’s oil exports through the Strait of Hormuz. But the routes meant to shield other Gulf producers from that disruption are now coming under pressure themselves.A drone attack last week badly damaged Saudi Arabia’s East-West Pipeline, a critical bypass that carries crude oil across the kingdom to the Red Sea. Repairs could leave it largely out of service for three to five weeks after it had been moving roughly 2.6 million to 4 million barrels per day in recent weeks.At

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