Just behave like civilized adults, it's not that hard. We've all graduated from kindergarten, we all know how to behave respectfully. Even if we disagree with someone and think their opinions are "dumb" we don't have to use that kind of language to insult them.
Sorry JMT, but your moderation at this forum isn't very good, because it's barely existent. This has led to back and forth insults being allowed to continue and turning into petty rivalries that drip into just about every thread, users fleeing the board because of it (ie: Argus, though he was also part of it), and other users have also mentioned it being a problem here for them not posting as much. It's VERY CLEARLY a problem, so fix it. Or let the board turn to crap like the other one, which it's getting close to anyways, except it's the left-wing version here. How ironic.