Trump made a rare visit to the spin room after the presidential debate on Tuesday.Kevin Dietsch/Getty ImagesPresidential debates aren't just about the face-off. They're also big media events.Each campaign sent politicians to Philadelphia to argue on behalf of Harris and Trump.Here's what it's like to be a reporter inside the chaotic "spin room."Tuesday's presidential debate was still more than 90 minutes away when I noticed a swelling gaggle, the first I'd seen since arriving at Pennsylvania Convention Center that afternoon.