Psychology of violent confrontation
http://www.wnd.com/2013/11/psycholog...confrontation/
"Vice President Biden says that when one is confronted with a threat, he should “fire a warning shot.” That might be the answer you could expect from a white-gloved elitist with an entire security detail. For real people on the street, that is a good way to die when confronted with a real threat..........."
An interesting piece - I fall more on the SA side of things. The friend was sitting with friends and a guy walks up with a gun and takes them by surprise. The man pulled into a driveway and others pulled in and started shooting at him.