Long-threatened tariffs from U.S. President Donald Trump have plunged the country into trade wars abroad — all while on-again, off-again new levies continue to escalate uncertainty. Trump is no stranger to tariffs.

But the escalating trade war between the U.S. and China is now crippling an entire industry that hand-harvests geoducks, leaving Washington state divers without work, Seattle exporters without business and Chinese aficionados with fewer of these prized clams.