They hate it because it’s an X-ray machine. It’s a Vulcan mind-meld. It’s the ultimate test to which any politician — or political philosophy — can be put.

If a politician isn’t perfectly comfortable with the idea of his average constituent, any man, woman, or responsible child, walking into a hardware store and paying cash — for any rifle, shotgun, handgun, machinegun, anything — without producing ID or signing one scrap of paper, he isn’t your friend no matter what he tells you.

L. Neil Smith
Why Did it Have to be … Guns
[I have tried to put it a little more succinctly but I suspect I will lose a lot of people with that. Smith spells it out concisely in a manner that everyone can understand. RTWT.–Joe]