Editorial Board

Trump's Trade-Bashing Hurts the U.S.

Slapping a giant tariff on a Canadian plane would leave American travelers -- and workers -- poorer.

Soon available with a 220 percent tariff.

Photographer: Clement Sabourin/AFP/Getty Images

Until now, the defining feature of the Trump administration's trade policy has been a worrisome yet vague recklessness. The U.S. Commerce Department's new ruling on Boeing's dispute with Bombardier, a Canadian aircraft maker, shows the harm that comes when the administration gets specific.

The rules that regulate trade can't work without restraint and a commitment to a liberal economic order. President Donald Trump's administration lacks both.