I predict that the 'Constitutional' option will be invoked within 30 days.
This will make for the best politics since Reagan was elected. MSM will be going nuts. Hagel, McCain, Snowe, Chaffee will probably side with the democrats on thee rule 'interpretation'. I think it could end up being Cheney breaking the tie. It will be fun watching it all play out!
If the GOP has the votes, the rats may quietly back down to avoid the precedent and from losing senate seats in red states in 2006.