By weaponizing trade and provoking Canada with 'Lake America,' Trump risks achieving the opposite of what he wants: a neighbor less trusting of...

Trump’s latest threats to punish Canada could hurt a lot of American workers—including in states with big races this fall—even as they reveal MAGA’s deepest failings.

There is no prominent think tank, industry or pundit that wants an all-out clash with Canada. So why is Trump obsessed?