What is herd immunity and why is it so important? Dr. John Torres explains. One city is doing something special at night to make sure its feathered friends are safe - we’ll tell you all about it! Countdown to the Summer Olympic Games: We speak with some of the members of Team USA. Plus, 8-year-old actor, Alan Kim tells us what it was like to film the movie ‘Minari.’

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Countdown To Summer Olympics: Hear From Members Of Team USA | Nightly News: Kids Edition