Surprising to say, but Barack Obama is prudent, astute and highly perceptive on this one. After Harry Reid had all but promised no filibuster activity, Durbin, Kennedy and Kerry jumped into that tar pit without a moment's hesitation.
There is no overwhelming flood of evidence that Samuel Alito Jr. is ANY kind of radical. If anything, the belief that he is exactly the kind of reasoned calm voice the Supreme Court needs has been strongly reasserted, and ANY Dem'crat with a conscience knows what the vote should be.
Of course, there is the presumption that Dem'crats HAVE individual consciences. Their collective conscience is operating on the limbic level, about like that of an alligator.