Vince Gilligan finally answering why Walter White was so stupid to leave that incriminating book in the bathroom is the closure Breaking Bad fans needed. It turns out the creator of the show thinks the answer is simpler than everyone expected.Vince: I think it was a mistake pure and simple.Interviewer: I think it was arrogance or I think he wanted to get caught.Vince: I wouldn't argue that. Maybe it is because you guys own this as much as we do now.Even the guy who wrote the show is willing to a