Yes, we are at that time again. It is time to circle the Liberal wagons, we are told. Let us call it the triennial dilemma. We hate almost everything the Liberals have done in government, and we have long since forgotten why we ever supported them, but, come election time, we forgive and forget, motivated by the endlessly trotted-out argument – effective since 1944 – that the other mob is unspeakable and, so, unelectable.