Reading Lieberman's Mind

With all of the rumors spiraling around Joe Lieberman and the possibility of his making an independent run for the Senate should he lose the Democratic primary -- rumors he has clearly not gone out of his way to quell -- I'm wondering if part of the motivation here is a vision inside his head of an American Kadima with Lieberman as Shimon Peres and, say, McCain as Sharon. Maybe that seemingly odd Broder column regarding a Unity party was not entirely motivated by watching the West Wing.