HuskerXDM:
Just to clarify, I'm not saying people should not keep a round in the chamber. I think it is a personal choice and that everyone should respect that choice. As for the "myth" link you posted, I find it somewhat ironic that the author suggests it is imperative to carry a round in the chamber and uses the following statement to make his point:
"One of the most dangerous aspects of this practice is you wind up playing the “Is my gun loaded or not?” game. It also leads to “It’s alright, the chamber is empty,” type of thinking. Loaded guns are safe guns because people treat them with respect. I once had a pistol fired into the ground 2 feet from me because the shooter thought the chamber was empty, so it would be safe to dry-fire."
The last sentence of that paragraph makes my point from my earlier comment very well. The author states that people treat loaded guns with respect, and yet a person fired a round two-feet from him because he thought the chamber was empty. This points out one very important thing: not everyone always follows the safety rules when it comes to handling guns (aren't all guns supposed to be treated as if they are loaded and only pointed in a safe direction?). Also, as much as we'd like to think that our training will prevail in any circumstance, it is painfully obvious that even trained individuals don't always react properly under stressful situations.
Consider this scenario: A person who knows guns and gun handling fairly well gets a CHP and decides to carry. However, he also knows that he has not undergone sufficient training that will guarantee his reaction will be appropriate (if there is such a thing), but his buddies convince him that the only way to carry is to have one in the chamber at all times. Now, he's walking his dog down the street one night when a couple of thugs spring from behind some bushes wielding baseball bats and demand he turn over his valuables. He figures he can get his Glock out of his IWB before they can do him serious harm with their bats, so he goes for it. In the excitement, he forgets to keep his finger off the trigger until he's ready to fire, and the gun goes off as he pulls it from the holster, fatally wounding him by severing his femoral artery. Had this guy been left to choose on his own, he may have opted to leave the chamber empty. Maybe he would have had time to chamber a round and defend himself, or maybe not, but at least he wouldn't have shot himself in the process.
Now that may be a stretch, but we each have to make our own decisions. You may think that if the guy was that unsure of himself that he didn't want a round in the chamber, he shouldn't be carrying at all. However, it's not your decision to make.
When you think about it from a survival standpoint, you should probably be advocating that everyone but yourself keeps an empty chamber. You would be much safer!