U.S. starts collecting Trump's new 10% tariff

WASHINGTON/JUPITER, Fla. — U.S. customs agents began collecting President Donald Trump's unilateral 10% tariff on all imports from many countries on Saturday, with higher levies on goods from 57 larger trading partners due to start next week. The initial 10% "baseline" tariff paid by U.S. importers took effect at U.S. seaports, airports and customs warehouses at 12:01 a.m. ET (0401 GMT), ushering in Trump's full rejection of the post-World War Two system of mutually agreed tariff rates. "This is the single biggest trade action of our lifetime," said Kelly Ann Shaw, a trade lawyer at Hogan Lovells and former White…