In this charged landscape, the original promise of tariff relief in exchange for investment and legislative endorsement became a symbol of competing claims: between executive fiat and judicial restraint, between economic nationalism and alliance mana In the crisp winter of 2026, a major chapter in U.S.–South Korea economic relations was unfolding — one that blended high-stakes politics, unresolved legal battles, and looming tariff threats. For months, Seoul and Washington had talked about a trade framework designed to lower punitive U.S. import taxes on South Korean goods in exchange for big Korean commitments — including unprecedented investment pledges and expanded market access. Originally, in mid-2025, both sides had said they struck a deal that would cap tariffs on Korean imports at 15 % instead of 25 %, with South Korea promising roughly $350 billion in investment and substantial purchases of U.S. energy and industrial products...