And so there's a belief that you can keep your audience if you focus more on these kinds of shouting and, you know, if you start discussing policy, then maybe they're going to switch to another channel.

NPR: Health Care Debate: Why So Much Yelling?

When folks have money to spend, they buy a new car, and the car companies do well, and they hire more workers. (Applause.) When you've got some extra money in your pockets, then you go get some pizza from Brenda. (Applause.) And then Brenda decides, maybe she can afford to hire another worker.

WHITEHOUSE: Remarks by the President at a Campaign Event

But then along comes this movie which reminds us that maybe we need to take another look because we do in fact live in very segregated worlds.

FORBES: Move up http://i.forbesimg.com t Move down

Then again, that would be another expensive delegation to be financed by productive citizens, so maybe all the better without.

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They typically take to the skies from graduation around the age of 23, stay in the company for three years -- maybe another two if they're "really, really good" -- then can move to non-cabin crew departments or get help with being placed with other airlines.

CNN: Do sexy flight attendants really sell more seats?

Maybe bring somebody in who is known to have a strong opinion one way or another and then have the audience respond.

FORBES: The SSAC Interview of Chris Anderson & David Sally