is platforms and communities reporter with five years of experience covering the companies that shape technology and the people who use their tools. President Donald Trump’s tariffs on China, Canada, and Mexico are presented by the president and his boosters as a boon to American businesses. If products from China are more expensive, the argument goes, then people will instead buy from counterparts based in the US. But for small businesses manufacturing in the US, the tariffs are already causing their costs to go up — which, in turn, will force them to raise prices for consumers. Valerie Schafer Franklin,...