the last thing they want to do is produce a completely un-balanced budget.
If they did, they would completely wipe out any claim to being the party of fiscal responsibility.
(Unfortunatly the Republicans completely eliminated any chance that they will be known as the party of fiscal responsibility - Now they just look like mean-and-cruel-big-spenders.)
don't worry though, the D's will lose control soon.
It is as certain as the morning sun.