Several Clinton superdelegates, whose votes could help decide the nomination, also said they were wavering in the face of Mr. Obama ’s momentum after victories in Washington, Nebraska, Louisiana and Maine last weekend. Some of them said that they, like the hundreds of uncommitted superdelegates still at stake, may ultimately “go with the flow.”
http://www.nytimes.com/2008/02/12/us/politics/12clinton.html