The inimitable Donald Trump was out on the firing range with his famous Twitter cannon again, and this time the practice target was Canada. He had his lugubrious Commerce Secretary, Wilbur Ross, announce punishing tariffs on Canadian lumber. But the Trump Twitter feed is a self-feeding machine. But the Trump Twitter feed is a self-feeding machine. What is perhaps less appreciated is how deeply contingent Canadian politics and Canadian policy are on America’s.

Source: National Post April 28, 2017 17:48 UTC