No it isn't. Not hardly. It's in advanced states of penetration and subversion by a clandestine war run out of Moscow.
The Mongols settled the Assassins' hash (literally) by going up to their "sanctuary" and killing everything that moved. No more Assassins. Moral: There's a cure for clandestine warfare.
If it were not for decadence, no one could penetrate or subvert the U.S.A.