Catherine Rampell: Trump has been playing right into China's hands
If this is how we show China who’s boss, China has just learned it has a pretty dumb boss.
In this March 5, 2018 photo, a worker manipulates coils of steel at Xiwang Special Steel in Zouping County in eastern China's Shandong province. China says it "firmly opposes" U.S. President Donald Trump's tariff increase for imported steel and aluminum but gave no indication whether Beijing might impose its own measures in response. (Chinatopix via AP)