Gideon Rachman: “Russia’s invasion of Ukraine has led to the bloodiest war in Europe since 1945. The conflict between Iran, the U.S. and Israel has seen 12 countries in the Middle East directly involved in fighting — making it the most widespread war in the region for decades. In east Asia, North Korea is pursuing a rapid military build-up and has renounced the goal of peaceful reunification with the South. Meanwhile, China has stepped up its naval exercises around Taiwan and seems to be rehearsing cutting off the island’s supply lines.”“At present, these regional conflicts in Europe, the Middle East and Asia are largely distinct. But they are beginning to overlap.”CNBC: Ukraine strikes Iranian vessels in Caspian Sea, Tehran accuses Kyiv of “hostile and criminal act.”