With all of the Democrats, and Lieberman, having already agreed to vote in favor of tonight's vote, the actual voting is pretty much a foregone conclusion, unless Olympia Snowe goes on a wild hare and decides to get all bipartisany on us.

Nonetheless, this is a rather historic event, since we haven't gotten this far on healthcare reform in the Senate, well, ever. Sen. Dodd is in the chair for the vote, in the place where Senator Kennedy should have been.

Watch: