The Most Dangerous Superstition, by Larken Rose. You may hate it, because it confirms what your friend thinks: the Constitution is an interesting historical irrelevancy. Unhappily, that's the truth. The only reason the Constitution hasn't been repealed outright is the fact that the folks in government don't NEED to repeal it. It never really gets in the way of anything they want to do, because THEY get to "interpret" what it "really" means. And because THEY get to choose which parts they will enforce -- or ignore. And as long as they keep it around and pay lip service to it, many of their victims (um, that would be YOU) continue to believe that governments exist to protect the rights of the governed (a truly outrageous lie, on the scale of "War is peace.")
But there's good news too: You think the Constitution protects your freedom -- which is like a kid believing that Santa Claus is the guy who makes Christmas work. It's a pure superstition. The good news is, once you lose that superstition, you will realize what your freedom really depends upon. YOUR OWN CHOICES. That's like discovering that it's your parents who love you and want to give you Xmas presents -- not some crazy magical goofball with flying reindeer.
The BIG question you need to ask yourself is: do you love the Constitution, or do you love freedom? If the latter, you should read Rose's book. Here's a sample. And here's another. And if you're still hung up on the Constitution, watch this. (Lysander Spooner's "No Treason" has been suggested by several folks, but this short video makes the same point, in a much more entertaining way.)
Recommended reading: The Most Dangerous Superstition by Larken Rose
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