On today’s program: Allegheny County District Attorney Stephen Zappala has a vast surveillance camera system with the ability to recognize license plates, faces and more; drug testing strips could help prevent overdose deaths, but they're illegal in Pennsylvania; a UPMC symposium centers on transgender and non-binary health care needs; a tour of World War II aircraft comes to Butler; and a preview of Trump’s visit to Shell’s new Beaver County ethane cracker. DA’s camera network spurs privacy