Detailed text transcripts for TV channel - MSNBC - 20210521:21:33:00
>> dr. kavita patel, thank you for fielding our questions today and spending time with us. nice to see you. we continue to keep an eye on the biden white house where the president is set to hold a joint news conference with the president of south korea. we will carry that live when it happens. when we return, teachers are pushing back against red states that are banning mask mandates, even in public schools where kids are not yet vaccinated. that story and reaction from the head of the most powerful teachers union is next. achers ut [sfx: kids laughing] [sfx: bikes passing] [sfx: fire truc...