Last Argument of Kings
Jack Donovan sums it up neatly - all laws are suggestions until backed up with the threat of violence: http://www.jack-donovan.com/axis/2011/03/violence-is-golden/Even Communists - especially Communists - understand this:
"Every Communist must grasp the truth: Political power grows out of the barrel of a gun." Mao Zedong
The Second Amendment was to ensure that all American citizens had their own Ultima Ratio.....lest we forget.