World News Roundup: 07/22

President Biden predicts full vaccine approval late summer or early fall. Infrastructure road block. Edible marijuana overdoses. CBS News Correspondent Steve Kathan has today's World News Roundup. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices