I'm probably as dubious as Atrios and as unimpressed as Glenn Greenwald on Arlen's move to the Democrats now that there is a good chance he'd lose the '10 Republican primary and can't run as an independent ala his pal Joe.
This and
this doesn't help. Wasn't there a real chance a real Dem would have won his seat in 2010? With the Bayhs of the world, let's see how "filibuster proof" things will be. Does make the Repubs look even less credible.
