I believe one minority vote was required to advance obamacare. snowe gave the vote
nuff said- a collection of brainless spinelss wussies
That’s more of a urban legend. They could have changed that rule by majority vote, or Reid could have simply brought it to the floor without their concurrence.
As to why she voted that way...who knows and it has DEFINITELY given credibility to people trying to demoralize the party, by saying that there’s no difference.