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)

NFL says Peterson must wait for review process

The NFL formally began a review of the star running back’s case for potential punishment under the league’s personal conduct policy.

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.