The third Gulf war is worrying the world’s farmers. So far markets for food commodities have been calm. But problems will stack up https://www.economist.com/finance-and-economics/2026/04/07/how-the-iran-war-has-sowed-panic-among-farmers?taid=69da589a2dba0d00016ae9ac&utm_campaign=trueanthem&utm_medium=social&utm_source=voante