You can waste a heckuva lot of your life watching video interviews conducted by the Archive of American Television, which is a project of the Academy of Television Arts and Sciences — i.e., the Emmy People. They sent out interviewers to record oral histories with everyone important in the TV field they could snag and a lot of these conversations are available online. These are not short chats. Some of them are six hours or longer, and there are some very good people to be heard.
A complete list of the ones you can watch right now can be found here, and every week or so they put a few more up. They recently released an interview with Herbert Stempel, who was one of the contestants at the center of the quiz show scandals…and they just posted the interview George Carlin did with them in December of last year.
The entire Carlin interview runs three hours and like I said, you can find and watch it online. Here's the last five minutes of it, including a couple of questions that are especially poignant in light of his passing a few months after this interrogation…