He looks sad and troubled to me.
Can't imagine why what with all the bipartisanship being shown in DC and the cooperation to help Katrina victims. / sarcasm
When he leaves office he is going to have one hell of a book to write -- how he went there to build cooperation but was met by the most hateful beltway hacks imaginable. They have no compunction about doing evil in the name of a "good*" cause.
* "Good" subject to approval by a handful of special interests subject to funding by a handful of donors; offer not valid where actual Constutional liberties are concerned. Offer (and pregnancy) subject to termination without prior notice.