Sounds a lot like somebody who's running for re-election in Connecticut and wanted to do something to assure those voters that he's not George Bush's lap dog (like they should have thought so inthe first place).
That about sums it up in a nutshell.
At least Lieberman is polite when he asks for Rumsfield to resign...
...which is a rare things with today's foaming-at-the-mouth, rabid Democrats.