Remember the last debate, where a handful of candidates criticized former president Barack Obama? It seemed to backfire and many analysts said it was a bad strategy. After all, when you are vying for Democratic votes, why criticize someone who is so popular within the party? Now it looks like Joe Biden may be sending his fellow debaters a message ahead of tonight’s debate. He released a video proclaiming “Barack Obama is an extraordinary man.” Perhaps he is sending out a reminder that Obama has a 95-97% approval rating among the Democratic party. Watch the ad above.