Summary: Millions of students returned to campus this fall for the in-person college experience, as the delta variant continues to impact parts of the U.S. Some schools have strict mandates for vaccination, testing and masking. In other places, that's not an option. Hari Sreenivasan begins the latest in our "Rethinking College" series at two of America's flagship universities. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
