While I agree with your premise, Kingslayer, the Constitution actually says "Congress shall make no law respecting an establishment of religion, or prohibiting the free excercise therefore."

Your point stands, though, as people trample the second half of that clause in effort to enfore their faulty interpretation of the first half.

I find it furthermore interesting that the idea of a "seperation between church and state" is only found in a letter from one of the founding fathers (Jefferson) and not in any of the documents they collectively agreed on.