Political Cornflakes: If it makes sense to ban tobacco and guns for those under 21, how about cellphones?

(Bebeto Matthews | AP file photo] In this Aug. 21, 2019, photo, Guatemalan immigrant Rosayra Pablo Cruz, left, comforts her youngest child Fernando, 6, with a hug, while the oldest Yordy, 17, engages with his cellphone in the downstairs kitchenette of their host home, in New York. A Vermont lawmaker has introduced state legislation to ban cellphone possession by those under 21.