'Is it for a day or four years?' Tariff uncertainty spooks small businesses

 https://www.bbc.com/news/articles/c1kmp99431mo

Trump's orders set in motion threats that the president has discussed for months, striking at shipments from America's top three trade partners, which together account for more than 40% of the roughly $3tn goods the US imports each year.

Canadian oil and other "energy resources" will face a lower 10% rate. But otherwise, there will be no exceptions, the White House said.