On Radio National Breakfast, Bryan Clark discusses the impact of Iran’s three-week-long closure of the Strait of Hormuz, which has brought shipping to a halt and hampered a fifth of the world’s oil supplies. He talks about which nations will send their navy to protect the strait’s shipping lanes.
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Black smoke rises from the area of Gazprom Neft’s Moscow oil refinery on the southeastern outskirts of Moscow on June 18, 2026. (Getty Images)