U.S. and China had public showdown at UN Security Council on Aug. 11, 2025
Trump threatened to seize Panama Canal claiming China "operates" it through Hong Kong companies
Chinese companies run ports on both ends of canal but don't control waterway itself
About 40% of U.S. container traffic flows through Panama Canal
Panama president defended sovereignty while Trump pressured China to sell to BlackRock
U.S. veto power at UN prevents any Security Council action against American threats
Trump threats violate 1977 Panama Canal Treaty that America signed