Some analysts increasingly believe the president sees levies as more than a negotiating ploy. To him, they’re a potential source of revenue. internal-storyline-no, Protectionism (Trade), International Trade and World Market, Customs (Tariff), Trump, Donald J, Customs and Border Protection (US), Inflation (Economics), China, Canada, Mexico Some analysts increasingly believe the president sees levies as more than a negotiating ploy. To him, they’re a potential source of revenue. NYT > Business