President says he'll use federal authority, including taking legal action, against state leaders who have threatened to sanction superintendents who have flouted bans on mask mandates.

Some are pushing back against a recent decision by Florida's Board of Education to expand the reach of its transfer voucher program to encompass students subjected to mask bullying.

Record-breaking COVID cases have driven several more Florida school leaders to join other districts in defying Gov. Ron DeSantis' mask restrictions.

When the pandemic first struck, many child well-being advocates worried that the massive shift to remote school would spur an uptick in a troubling behavior: online bullying.