Stockwell Day

Canada evolved within the British Empire: it inherited the Parliamentary system, the Cabinet system and all the other features of the British constitutional system which had been in place, for the most part, for several centuries before Canada was even thought of.

Tony Blair faced a massive defection from his own party ranks during voting around the intervention in Iraq. For our present purpose, the point is not that he survived the defection, but that he had to face it.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.