I posted on this earlier, that trade groups in the US say tariffs "would trigger a chain reaction of negative consequences for the U.S. economy, provoking retaliation; stifling U.S. agriculture, goods, and services exports; and raising costs for businesses and consumers"
For more info I linked to a Wall Street Journal article, but as its the Journal it may be gated
Reuters have an ungated piece up now if you'd like more:
Something to while away the time awaiting Europe/UK opening
