Iran is seizing foreign-flagged vessels in the Strait of Hormuz, and the U.S. is shooting down drones in the region. Analysts say that Tehran is intentionally driving up oil prices to obtain global pushback against the American sanctions that are crippling the Iranian economy. They also warn that attacking shipping in the region will cause an increase in contracted freight rates due to the hike in insurance war risk premia.  During past periods of high-level geopolitical tension in the region, the London-based War Risks Rating Committee allowed that premium to nearly double. However, the threat to tanker rates does not appear to have carried over to the bulkers that would be carrying grain. In fact, the charts below show little change...