Trump’s Tariffs Face Constitutional Questions: Supply Lines

Trade and economic policy do not often lead to rich-world constitutional crises. But as President Donald Trump prepares to unveil tariffs set to be a historic milestone in the management of the US economy, it’s worth pointing out he won’t be doing it the way the republic’s founding document envisions.

As Trump’s advisers finalize plans to impose another wave of duties including so-called “reciprocal” tariffs on all or most US imports, there’s no sign that they have given the US Congress a substantive say. Or that Trump cares very much what Congress thinks as he gears up for April 2 ...