China's new ambassador to the U.S. vows to take bilateral relations back on track. Chinese Foreign Minister Wang Yi urges the Taliban in Afghanistan to make a "clean break" with all terrorist organizations during a meeting with the Taliban's political chief in Tianjin. The Centers for Disease Control and Prevention in the U.S. updates its guidelines on masks, recommending that vaccinated people wear them indoors in certain areas. Also, we bring you the latest from the Olympics in Tokyo.