China and the US have to get off their collision course

Both countries are upgrading their nuclear arsenals. Chinese missiles, bombers, submarines, and hypersonic vehicles — which fly at several times the speed of sound — already pose a credible threat to US bases in Guam and Japan. China has upgraded its nuclear testing site and is deploying dummy missile silos to confuse an attacker in case of war. Gaza and Ukraine are burning. The crisis that most seriously threatens the world, though, is the escalating confrontation between the United States and China. Both sides say they want peaceful competition. Sometimes they even talk of cooperation. Their actions, however, contradict their…