Live behind the scenes from Right Side Broadcasting. Their camera angle is angled right at what appears to the be the entrance
http://rsbn.tv/watch-first-presidential-debate-live-stream-donald-trump-vs-hillary-clinton/
RSB saying this is pool field made available to all media
NOTE: The video below will be updated with a live player hours before the debate. This will not be an RSBN feed. This is a pool feed made available to the media.
http://rsbn.tv/watch-first-presidential-debate-live-stream-donald-trump-vs-hillary-clinton/