During their highly contentious presidential debate at Philadelphia’s National Constitution Center on Tuesday night, September 10, Democrat Kamala Harris hammered Republican Donald Trump relentlessly on everything from foreign policy to immigration to Obamacare. Harris also attacked Trump on the economy, arguing that his tariff proposals, if enacted, would cost U.S. consumers a fortune. Trump has proposed a 60 percent tariff on imports from Mainland China and a 10 percent tariff on imports from other countries. But Harris isn’t the only one who is troubled by Trump’s tariff proposals. Accordin…