Obama and Lieberman

Very interesting post by Jake Tapper over at ABC about the "private and friendly" conversation (that, apparently, was neither) between Barack Obama and Joe Lieberman on the Senate floor yesterday. Democrats will almost certainly add to their numbers in the Senate this November, which means they will no longer need Lieberman, the self-described "Independent Democrat," to secure their majority. Given his active support for McCain, his willingness to attack Obama on McCain's behalf and his possible role as the Zell Miller of St. Paul, would anyone be surprised if Joe was barred from caucusing with the Democrats next year?