Final answer:
Stevenson discusses the states' position on life without parole and the shift away from capital punishment. The Supreme Court has ruled against mandatory life imprisonment without parole for juvenile offenders.
Step-by-step explanation:
In his argument, Stevenson discusses the states' position on 'life without parole,' which refers to the sentencing of an individual to spend the rest of their life in prison without the possibility of release or parole. Stevenson highlights that some states have moved away from capital punishment and no longer apply the death penalty for new cases. He also mentions that the Supreme Court has ruled on cases involving juvenile offenders, stating that mandatory life imprisonment without parole is unconstitutional for juveniles.