also this hour, focusing on coronavirus in the classroom. kids, parents, teachers, facing new school year hurdles. one major crisis? a shortage of teachers and staff never before seen in some districts. i'll talk to one official whose school district started the year with 50 classrooms. 50. that don't have teachers. and all hour we'll be answering your questions about keeping our kids safe in school. you can email those questions at talk@msnbc.com. or tweet using msnbcanswers. in just the last hour, president biden sounding the alarm about this pandemic. giving this urgent message. >> listen to the voices of unvaccinated americans who are lying in hospital beds, taking their final breaths saying and literally you've seen this on