Zack Seward finds out how outdoor laborers cope with working in a heat wave and looks into OSHA’s Heat Safety Smartphone App. Mary Wilson reports from Harrisburg on the trial surrounding Pennsylvania’s voter identification law. Maiken Scott profiles a Philadelphia clinic with 20 years of integrated physical and mental health care. Chris Satullo speaks with historian Jonathan Zimmerman about Presidential vacations through the years. Dave Heller sits down with the Philadelphia Inquirer’s Marc Narducci for an All-Star break check-in with the Phillies.