The Liberal government shares the same convictions as its Conservative predecessor in the realm of foreign policy, but it assesses the consequences of those convictions differently, said Stéphane Dion, the foreign affairs minister, in a major speech this week.The new Trudeau doctrine is a policy that might almost be termed “continuity with change.” At least it might, were it not for the unfortunate consequence of the slogan's use by Australian Prime Minister Malcolm Turnbull.He was ridiculed after it emerged it been coined by the writers of political satire, Veep. They said they came up with a tag f