According to the Centers for Disease Control, The Delta variant of COVID-19 is now the dominant strain in the U.S. Studies suggest the approved vaccines protect against it. However, the Biden administration is working to find new strategies to reach the vaccine-hesitant, as America appears to be reaching its vaccine ceiling among adults. After testing positive for marijuana during the U.S. trials, Sha'Carri Richardson's name has been left off the U.S. track and field team roster, ending any chance she had at going to the Olympics in Tokyo this summer.Meanwhile, the president of Haiti, Jovenel Moïse, was assassinated in his home this week. The nation's first lady was also wounded during the attack.President Biden announced that the withdrawal of U.S. troops from Afghanistan is complete 'for all intents and purposes" and that the country's "mission" in Afghanistan would be concluded by Aug. 31.And Japan has declared a state of emergency due to rising COVID-19 case numbers ahead of the Tokyo Olympics. We cover all these headlines and more during the News Roundup. Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.