The U.S. military has video and audio recordings of Iranian high-speed boats that threatened to blow up a three-ship U.S. convoy in the Persian Gulf and plans to release them, the top U.S. Navy commander in the Mideast said Tuesday. Iran's Revolutionary Guards said that its boats never threatened the U.S. vessels during the encounter early Sunday in the Hormuz Strait, insisting it only asked them to identify themselves then let them continue into the Gulf. But U.S. Vice Adm. Kevin Cosgriff disputed that account, saying the incident was "provocative." Cosgriff, the commander of U.S. 5th Fleet, which patrols the...