Trump’s Tariffs Do Bite But Unrealized Threats Are Stacking Up

Donald Trump has imposed more tariffs than any American president in at least a century – but only a fraction of the ones he’s threatened.

The withdrawal this week of a proposed charge on European nations over Greenland is the latest example of how Trump sometimes wields the tariff weapon without firing it. And the number of unrealized threats is stacking up.

So far the president hasn’t delivered the sweeping duties he promised on nations like Mexico and Canada, or products including semiconductors and foreign movies. So-called “secondary tariffs” for countries that trade with US adversaries – most recently Iran ...