Here is his basic point:
... one of the key problems with the left in the U.S. Namely, for the sake of ideological purity few within the professional left expressed any joy about life, or any emotion whatsoever that wasn't rooted in negativity. They are like the political equivalent of quaaludes: guaranteed to bring you down from whatever partly optimistic place you might find yourself from time to time.
Be sure to check out the whole essay. There is much food for thought there. And the comments are interesting, too.
What do you think about Wise's analysis?
UPDATE: Wise has posted a response to some criticism he has received on his article from lefties, titled, "ARE WORDS (AND HISTORY) THAT HARD TO UNDERSTAND? A FINAL RESPONSE TO THE MORE-RADICAL-THAN-THOU CRITIQUE OF OBAMA SUPPORTERS"