The commenting feature on this site is provided by Disqus.com. Disqus has defined a sensible commenting policy that its user sites may adopt. On this site, the basic policy is very simple: Don't be a jerk.
Keep it civil and polite. If anyone makes an argument you don't like, reply only to the argument. Avoid:
* Ad hominem attacks
* Responding to a post’s tone instead of its actual content
* Knee-jerk contradiction
* Off-topic comments
Comments that are hateful, inflammatory, disruptive or harassing will be removed at the sole discretion of the moderator.