https://supplychainandlogistics.org/2026/04/04/us-tariff-fight-shifts-to-mexico/Supply Chain and Logisticsen2026-04-04T17:47:32+00:00US tariff fight shifts to MexicoLogistics, supply chains, tariffs, US-Mexico trade, supply chain logistics, trade policy, nearshoring Mexico, national security probes, heavy machinery manufacturing, manufacturing tariffs, Section 232, manufacturing workforce, industrial automation, heavy equipment imports, US labor shortage, economic national defense