Brilliant! South Carolina now requires "subversives" to register, fill out a form, and pay a $5 fee:
I wonder what happens if you try to overthrow the government without a permit?
Added: From Sweaterman, in the comments:
As I mentioned yesterday, there's suitable irony in the fact that South Carolina is the state pursuing this.
Seems to me that I remember South Carolina, ummm, I don't know, seceded from the Union and began the U.S. Civil War at Fort Sumter?! Isn't that sorta, kinda in the same league as trying to overthrow the government?