Soaring food prices are triggering shortages and protests across the developing world as disruption from the Ukraine war adds to existing strains on global supplies of grains, meat and other foodstuffs. India on Saturday invoked a rare ban on wheat exports to help tame domestic prices, a move likely to exacerbate global strains. The country is the world’s second-largest wheat grower, behind China. Late last month, Indonesia halted the export of certain types of palm oil in an effort to lower soaring prices of cooking oil at home. Rising prices helped stoke the violent unrest that led to the resignation of Sri Lanka’s prime minister earlier this week and have fanned more peaceful protests in the Middle East. In parts of Africa, millers have run […]