Lots, and lots, and lots of "discussion" on the 2nd Amendment here at Daily Kos after the Aurora shooting. As usual, those who are the most emotional about the topic were the most-heard from.
While we may never reach a consensus as liberals about what the 2nd Amendment says, doesn't say, allows, doesn't allow, I thought it worthwhile to list what the 2nd Amendment DEFINITELY DOESN'T ALLOW, meaning that these are items/activities not covered by the 2nd Amendment. I'm not saying the list doesn't include rights not specifically mentioned or enumerated in other places in the Constitution, or whether or not they are covered by "natural rights", but that they are definitely not in the 2nd. Perhaps you will consult this list prior to the next flame war, and consider not bringing any of these into the next 2nd Amendment discussion.
The 2nd Amendment does not:
1) Grant anyone the right to hunt.
2) Allow you to shoot someone, or use a firearm or other weapon in any way, to defend yourself.
3) It does not allow you to "stand your ground" in the face of danger.
4) It does not allow you to shoot trespassers on your private property.
5) It does not allow you to conceal-carry.
6) It does not allow you to own a cannon, ordinance, a nuke, or anything else that an individual could not reasonably "keep" from use by others, and carry (bear).
7) It does not expressly (dis-)allow you to purchase arms in a (private) public transaction.
8) It does not prevent local, state, or federal governments from requiring that you register guns you own.
Any questions? Disagreements? We're talking literal here, not "so-and-such court case found this and perhaps that could apply to #6." Also, it makes no difference that the NRA would probably argue every point; they're just wrong.