At one point I thought it could be attributed to an unusual degree of cynicism, but now I wonder if it goes deeper than that. What I have in mind is President Obama’s obsession with portraying himself as our moral superior. Virtually every time he speaks these days, we are treated to another journey through what William Makepeace Thackeray aptly dubbed Vanity Fair. For example, if you listened to the president’s news conference today, a theme we are by now wearily familiar with was repeated with numbing repetition: Obama, according to Obama, is quite simply better, much better, than those...