Should smartphones be banned in schools? A growing number of states say yes

Los Angeles, the nation’s second-largest school district, has banned smartphones and smartwatches during school hours, with limited exceptions. With 24 states considering similar policies, the debate over phones in schools is heating up. Dr. Stuart Ablon, a child and adolescent psychologist at Massachusetts General Hospital and a Harvard Medical School associate professor, joins “CBS Mornings Plus” to discuss.