China, Russia and other countries have developed retaliatory options that could deeply hurt America’s economy and standard of living.

Trump's tariffs on Canada, Mexico and China suggest he is willing to risk a global trade war. The main thing that could stop him would be a stock market selloff.

But Mr Trump’s most incendiary claims are reserved for China. The Communist Party, he says, “has subsidised and otherwise incentivised” Chinese firms to “export fentanyl and related precursor chemicals that are used to produce synthetic opioids sold illicitly in the United States”.

These aren’t tariffs, they’re taxes, in this case, trade taxes. And these trade taxes aren’t going to be paid by China or Canada. They will be paid by American companies—like Walmart, which imports apparel,

Donald Trump made good on his promise to impose trade barriers on key US trading partners. Citing the influx of narcotics and “illegal aliens,” the president announced a 25 percent tariff on goods from Mexico and Canada (with a 10 percent carve-out for Canadian energy imports),