Video above: Secretary of Education Betsy DeVos visits Georgia students at school amid virusMore than 70,000 new COVID-19 cases in children have been reported across the U.S. since early August, new data shows.Child cases increased by 21% between Aug. 6 and Aug. 20, according to an updated joint report from the American Academy of Pediatrics and the Children’s Hospital Association. More than 440,000 children have