Experts say Russia didn't do enough trial testing for its new coronavirus vaccine. One Harvard epidemiologist suggests we make a lot of cheap and less accurate tests for all Americans. A mask study researcher explains which face coverings are more effective than others. The pandemic is changing our retail experience. There's a Dr Pepper shortage.  See omnystudio.com/policies/listener for privacy information. 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