I'm a long way from declaring the danger or the damage of BO as being somehow "over" ... this column may be correct in a lot of it's conclusions, but I think it is too early to be drawing them until January 20th 2013 with the embarrassment safely out the door and healing under way.
This paragraph captures a general mood of August 2010 for more and more people. I've been embarrassed since the summer of '08.
It is in the nature of charisma that it rises out of thin air, out of need and distress, and then dissipates when the magic fails. The country has had its fill with a scapegoating that knows no end from a president who had vowed to break with recriminations and partisanship. The magic of 2008 can't be recreated, and good riddance to it. Slowly, the nation has recovered its poise. There is a widespread sense of unstated embarrassment that a political majority, if only for a moment, fell for the promise of an untested redeemer—a belief alien to the temperament of this so practical and sober a nation.