On twitter just now, Markos says:
Holy shit -- big news coming tomorrow or Wednesday. GOOD news, for a change. And yes, I'll remain annoyingly vague about it.
http://twitter.com/...
So what do we think this is? DK4 unveiling? Markos will challenge Lieberman for the 2012 Dem nomination? The first 100 registered Daily Kos users all get a new car!
I personally have no idea. But I love to speculate. If you have any idea what this is about, let us know!