Overview: With the looming midterm elections, the Trump presidency under relentless siege, and Hurricane Florence bearing down on the Carolina coast, Washington has a lot on its collective plate. Mark McKinnon and Alex Wagner visit the democratic and republican war rooms respectively, and learn what each camp is doing to secure the majority in the House. John Heilemann interviews Steve Bannon and takes a tour of Breitbart, all in advance of the release of Bannon's inflammatory new documentary.