I had a bad Labor Day holiday, but my troubles don't matter much. President Obama's was decidedly worse, and unfortunately his matter a lot. The crucial thing, though, is that I know I had a bad couple of days. It is not clear to me that President Obama realizes that he did, and that should trouble all of us. First, my tale of minor woes. I was in Washington for the Annual American Political Science Association meeting. Several thousand political science professors in the same hotel may sound like a lot of fun (or maybe it doesn't) but it usually...