Originally Posted by 21forme
If it's the TV program I think it is, wasn't he in disguise? If so, the missing tooth may be part of it.
He was in disguise in all of the TV programs I've seen him on. B-roll is footage that isn't part of the primary story or interview, typically edited in to affect the pace or structure of a scene. Sometimes the unimportant details are the ones that give you the most information.