nonviolent offenders
A court said they are without authority to wipe out "valid" convictions.
The Clean Slate Act would give Pennsylvanians an opportunity to have their records sealed.
His proposed ballot initiative would reduce prison time for many nonviolent offenders.
UN Secretary General Ban Ki-Moon said the prisoners were serving sentences disproportionate to their crimes.
WHAT'S HAPPENING
"If they're used correctly, even a short one can do the trick."