Corporal punishment, a.k.a. the inflicting of pain on students as punishment or to right behaviors, may sound like a thing of the past — a behavioral measure reserved for the strictest teachers and schools back in the day. But according to a December 1 NPR report, corporal punishment is still legal in some states — and those states include Missouri.According NPR, U.S. Secretary of Education John B. King Jr. recently addressed the issue of corporal punishment in a letter to the country's governors and state school chiefs.…