Commentary There’s an old jibe about the candidate who stood for nothing but office. But normally such a person claimed to have beliefs, however flexible. In the current federal Conservative leadership race, at least two candidates seem to be empty vessels on purpose. I say “at least two” because there are others whose substantive positions are not yet clear and may never clarify. Even Pierre Poilievre who, as I wrote some weeks back, needs to add some policy substance to his feisty proclamations in favour of freedom. Another new entrant, Scott Aitchison, is campaigning boldly against division, in a stiff rebuke to all those wanting politics to get even nastier. But the whole point of politics is to advance contending positions on which voters can divide. Just as it would be a collapsed or fake democracy in which “divisions” in the House invariably saw everyone on the same side. Indeed, …