Have you ever been involved in a "brisk exchange of ideas" and been tempted to use a dirty rhetorical trick? Ever had one used against you?
Arguing against a straw-man, name-calling, or flitting from topic to topic without acknowledging when your discussion partner makes a point can be effective persuasive tools, but is using them worth it?
What is the very least we owe to those we disagree with?
Let's talk about it. CIVILLY people. Geeesh.