The race for the Republican presidential nomination has been an edifying spectacle. No, really: we are learning a lot of things that we might not have if it had been a simple Romney coronation. Until he rose in the polls, Ron Paul was seen by many liberals as an almost cuddly figure, a nice antiwar guy with some quirky ideas about gold; we’ve learned a bit since.

Now Rick Santorum, whose frankness gives us an education in what “moral values” is really about, at least for a significant number of people: