The U.S. Navy has refused near-daily requests from the shipping industry for military escorts through the Strait of Hormuz since the start of the war on Iran, saying the risk of attacks is too high for now, according to sources familiar with the matter. The Navy's assessments spell continued disruption to Middle East oil exports. The U.S. Navy has held regular briefings with shipping and oil industry counterparts and has said during those briefings it is unable to provide escorts for the time being, three shipping industry sources familiar with the matter said. The sources, who declined to be identified...