Don't stop talking. When the host turns to the right-wing guest, the left-wing guest will keep talking, or interrupt the right-wing speaker with sentence fragments like "But... but..." or "not true... not true...". It is meant to distract the speaker or drown out the point that the speaker is trying to make. Usually the conservative is respectful of the liberal's time on the air, but the liberal is almost always rude when the conservative is speaking.
-PJ
Ain't it the truth! Sometimes I'll have Fox News on while cleaning the house or something and I'm not really looking at the TV. I've gotten to where I can tell who's a conservative and who's a liberal just by the way they talk. If someone is constantly interrupting and talking over their opponent, you can bet they're a liberal.
I remember some years back there was a talk show hosted by a woman named Jane Whitney. The subject was homosexuals in the military, with pro and con presented in that order, separately. They had three people who may or may not have served on the pro, and they brought on David Hackworth for the con.
Hack was able to get out a single sentence before those on the pro side began to argue with him, constantly interrupt him, try to drown him out, and eventually called him a bigot. (Imagine, calling someone with more military experience than all three on that panel combined a bigot because he does not believe it is a good idea to have open homosexuals in the military. How stupid and childish.)
Of course, Ms. Whitney just stood by and did nothing about this blatant attack. So much for fairness and tolerance.