Tom MacDonald reports on the penalty given to Philadelphia Gas Works for a 2011 explosion. Holly Otterbein finds that a large chunk of School District money might go toward Philadelphia’s pension fund. Kevin McCorry looks into the use of seniority in issuing teacher layoffs. Taunya English examines Delaware’s efforts to connect patients with health insurance. Maiken Scott speaks with Elana Gordon about addiction treatment under the Affordable Care Act. Dave Heller and Phillyweather.net’s Tom Thunstrom sit down to talk heat trends in the region.