At least people are speculating about a Brown win.
I don't get the sense this is truly competitive -- yet -- but it could happen. And Brown would be a crucial 41st vote against cloture.
This is still a Hail Mary. But sometimes that's the right play to call.
By the way, John McCain just endorsed him. I know, I know -- don't bother saying it. But the guy needs high-profile endorsements.