If the dems had to votes to stop the rule change they would not be yelling so loudly about how bad it would be for the GOP to attempt it. They'd just block the rule change.
Now all we have to do is get limp frist to call the darn vote already.
Bingo! They are calling on the President to "rein it in", because if he doesn't they are going to get the butts kicked. This is no time to play nice. They had the chance to be sentient beings and they cast it aside. Screw em.