Carney wastes no time tearing into Trump, but can he save Canada from becoming America’s 51st state?

President Donald J Trump wants to redraw the political map of the world to benefit “America First”. Some may laugh at his ignorance of history and his boastful schoolboyish territorial ambitions. Yet, in pursuit of his dream of fortress North America, he has already shown himself willing to tear up the rules-based order, which was agreed after the Second World War to stop countries from invading each other – at least in the democratic world. He has already broken international treaties entered into by US presidents – including by himself in the case of trade with Mexico and Canada. Since…