"No State shall convert a liberty into a privilege, license it, and charge a fee therefor." --Murdock v. Pennsylvania, 319 US 105, US Supreme Court. (1943)
The U.S. Supreme Court broadly and unequivocally held that requiring licensing or registration of any constitutional right is itself unconstitutional. --Follett vs. Town of McCormick, S.C., 321 U.S. 573. (1944)
Note: Copied from EZLiving's sig, because it says it all.