Levin has a new book, and the Constitutional process of which he elaborates is based on the 5th Amendment (I think). Said the Framers put it in as a failsafe, in the case of sorry-assed politicians and a runaway Fed.
I suspect that the States are going to start the mechanism going. Of course, the Tea Party will light the boiler fire.
And hijacking my own thread...just have to drop this one. LINK
Maybe we won't need that mechanism.