Now that we know, how many times has it happened?

Like the husband who catches his wife cheating, it's time to ask the next logical question: how long has this been going on?

Excerpt:

But they didn't. And I've said this before, but it bears repeating: don't fool yourself believing that this is the first time this has happened. Come on. If you have watched "60 Minutes" then you are familiar with that feeling you have at the end of a segment, when you think to yourself: "Wow, everything seems to point to one conclusion." You thought that was because everything really did point to one conclusion?