Never 31st, 2013.
They were a figment of Palin's imagination. And they were supposed to have ended the healthcare bill. I think we had a parade here.
I see my post went well over your head. I'll simplify the joke.
October 31 = Halloween, 13 = evil number, witching hour = evil time.
Of course there are no death panels, it's simply her term for the committees that may someday decide on covered services.