Minnesota Vikings running back Adrian Peterson arrives at the courthouse with his wife Ashley Brown Peterson, right, for an appearance Tuesday, Nov. 4, 2014, in Conroe, Texas. A judge presiding over Adrian Peterson’s child abuse case may consider whether the Vikings star should be arrested for allegedly smoking marijuana while out on bond. (AP Photo/Pat Sullivan)

Vikings’ Peterson avoids jail in plea agreement

The case revived a debate about corporal punishment, which is on the decline in the U.S. but still widely practiced in homes and schools.