President Trump on Sunday said the U.S. welcomes foreign experts to train Americans how to build high-tech goods, days after hundreds of arrested South Korean workers left the country.

Why it matters: The tension between the administration's economic and immigration policies appears to be working itself out in favor of the economic goals. • The blowback from the arrests threatened to rupture one of the most important U.S. alliances in Asia, and put hundreds of billions of dollars in investment pledges at risk.

Catch up quick: On Sept. 4, ICE raided an under-construction electric vehicle battery plant in Georgia, a joint venture of South Korea's Hyundai and LG. • Hundreds of workers were arrested, shackled and hauled off to detention, which provoked national outrage in South Korea. Of

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