Following a chaotic fortnight for international trade, during which President Trump imposed and then partially rescinded wide-ranging tariffs on U.S. trading partners, lawmakers and defense executives alike are trying to make sense of and prepare for the likely effects of these tariffs on their businesses, constituents and international relationships. In Congress this week, House Democrats decried the tariffs -- which currently sit at a minimum 10% rate on the bulk of U.S. imports -- arguing that they impose needless economic...