Summary: The largest teacher's union in the U.S., the American Federation of Teachers, announced recently it would support any local chapters that strike due to their school's reopening without any safety measures. Randi Weingarten, the union's president, spoke with Hari Sreenivasan about safety concerns for teachers and what should be done about them. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
