Ivan,
You make a good point. You say, however, that you're willing to sacrifice certain liberties (i.e. gun ownership, privacy) in order to prevent violence. Isn't that a bit of a slippery slope, especially w/ regards to medical/psychological records? Should we permit the state to examine phych records before gun purchases? If so, then shouldn't we then let Homeland Security review psych records prior to boarding an airplane (profile terrorists and stuff)? How about library records? School records? How much privacy are you willing to sacrifice for the sake of (((security)))?