Nope.
I've seen both those handles since I've been here though. I understand it was probably different at MSNBC. I've yet to see here what I consider this extreme of an instance of a crank-troll person disrupting a conversation, as long as the participants stay focused. Mostly they burn themselves out before making a coherent point. Bring em on I say....
BTW, I there anyone banned from HZ at the moment? I remember TLE could only post flame a while back but what about now?