Students across the U.S. are back in the classroom for the 2021-2022 school year. Millions spent last school year with disrupted schedules, limited social contact and remote learning challenges due to the coronavirus pandemic. But the highly contagious Delta variant has intensified the threat of classroom infections to its highest level yet. Arizona, Texas, and Florida outlawed mask mandates in schools. Now as outbreaks send thousands of students home, school districts are defying state orders. Soledad O’Brien talks to Dr. Stephanie Elizalde, the superintendent for the Austin Independent School District in Austin, Texas. 



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