A Logic Refresher - Classic (Informal) Fallacies

This is mostly a republication of an essay I published on Daily Kos on Tuesday Dec 15, 2009 10:09 AM PST. The current link to the original is http://www.dailykos.com/story/2009/12/15/814540/-Logic-Refresher-8211-Cl.... I have removed a bit of Daily Kos specific material and fixed some bad grammar and such. I wanted it over here in my archives for reference.