An excellent article which not only details the frightening insanity the Republicans have fallen into, but starts to address what to do about it:

A lot of the ruckus is political theater, but the Republicans have been stirring up the crazies for years, and some of them are going to get violent– just as they did in the ’90s.

While we’re at it, here’s what the craziness looks like to a British observer.  Both links via Agto.