Ted Kennedy should be thankful that the University of Virginia isn’t in the habit of revoking degrees. Otherwise, Massachusetts’ senior senator would be in serious danger of losing his degree based on the legal incompetence he’s demonstrated in his questioning of Supreme Court nominee John Roberts. Kennedy, who inherited his Senate sear a measly 43 years ago, hasn’t been the only senator to embarrass himself at the Roberts hearing. Almost without exception, the senators – Democrat and Republican –have been long-winded, arrogant and incapable of appreciating the distinction between constitutional theory and political advocacy. But Kennedy has been in a...