Philadelphia state Sen. Anthony Williams is the first mayoral candidate to run his own TV ad. Dave Davies examines the message and potential impact of the ad. Kevin McCory reports that Pennsylvania Gov. Tom Wolf is looking to revamp the state’s system for evaluating school performance. StateImpact Pennsylvania’s Susan Phillips sat in as Delaware County emergency responders prepared themselves for oil train derailments. NewsWorks blogger Solomon Jones responds to the Department of Justice report finding that Philadelphia Police officers on the whole don’t understand when they should and should not use deadly force. John Weber reports that the Trenton Rescue Mission has teamed up with the University of Pennsylvania to train ex-offenders to start their own businesses.