An old colleague was once getting ready for a live appearance on a cable TV news program and was given this advice, minutes before airtime: "Whatever you do, don't think of the word f**k."

The poor guy struggled through a five-minute appearance on the brink of letting the mother-of-all-four-letter-words fly into the microphone. (He didn't.)

Arthur Chi'en, a reporter for WCBS TV, wasn't so lucky. Here's a video of how he reacted when a couple of Opie & Anthony fans snuck behind him during a live remote last week. Upshot: they annoyed Chi'en, and afterward, when he thought he was off-air but was really on-air, he let them have it. He used a dirty word. So management canned him.

Allan Sniffen, who runs the New York Radio Message Board, wasn't amused by the O&A fans' stunt:

Should the reporter have known better? Yes. But... the guy lost his job because he was put in a position that I'm willing to bet most any of us would have responded to in the same way. So now he's out of work because these two morons interfered with his broadcast. And those two morons were encouraged, indirectly, by O&A.

But if you make your living by going on television live, in front of tens of thousands, hundreds of thousands or millions of people, you really should be able to keep your cool. And, whatever you do, don't think of the word "f**k."