One of the knocks on Barack Obama is that his résumé is, so to speak, paper-thin. But that is not entirely accurate. Obama, in fact, has held some major job titles which are noteworthy all by themselves: United States Senator, Lecturer at the University of Chicago Law School, Harvard Law Review President-each of these titles puts him in rarefied company. Tack on a few Illinois State Senate terms, and his resume actually appears solid. Yet, in spite of these prestigious positions, Obama has increasingly resorted to making claims of accomplishment that are so patently inflated that even his cheerleaders at...