The Appeal: The Supreme Court ruled that sentences like hers are unconstitutional. Prosecutors are fighting to keep her incarcerated.

By Elizabeth Weill-Greenberg In next year’s Democratic primary, Cooper, who has been in office since 2009, will face a challenger, former family court judge and prosecutor Karen McDonald. McDonald told The Appeal that she was not sure if she supported a ban on life without the possibility of parole for juveniles. When asked if her office…