Tom MacDonald reports on a press conference at Philadelphia City Hall disrupted by Black Lives Matter protestors. Plan Philly’s Catalina Jaramillo joins the show to outline Philadlephia’s Zero Waste plan. WNYC’s Nancy Solomon brings the story of a New Jersey gubernatorial candidate who dropped in on a small town block party. Annette John-Hall speaks with Richard Nichols Luminary Award winner Ava Duvernay about her filmmaking process. Derrick Pitts, chief astronomer at the Franklin Institute, joins NewsWorks Tonight’s Dave Heller to discuss the sights to be seen in the night sky this week.