Cbs Evening News -- Full Audio

On tonight's CBS Evening News podcast - the largest vaccine trial for COVID-19 enters Phase 3 at over 80 sites in the US -- is there reason for optimism and when might we know if the vaccine works? Also - discouraging news for fans of America's pastime; two Major League Baseball games now cancelled after more than a dozen players on the Miami Marlins test positive for COVID-19. What this could mean for the future of the season.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.