President Trump called for "strong background checks" after two mass shootings this weekend left at least 30 people dead in El Paso, Texas and Dayton, Ohio. Jeremy Hobson gets the latest in the investigation in Dayton. And, Florida newsrooms are tackling climate change head-on. Robin Young talks with journalists there about their efforts. That and more, in hour two of Here & Now's August 5, 2019 full broadcast.