Global trade and tariff changes

From the BBC World Service: Exactly four years ago, Russia launched its full-scale invasion of Ukraine. Hundreds of thousands of troops have been killed, and the financial cost has also been massive for both countries. This morning, we'll learn more. Then, the U.S. has imposed a new flat-rate tariff of 10% on global imports. And, China has imposed restrictions on dual-use exports to 20 major Japanese companies, accusing them of boosting a military build-up in Japan.