House Republicans grilled U.S. Trade Representative Katherine Tai on Friday over the Biden administration’s decision not to negotiate new tariff-cutting agreements that would require approval by Congress, provoking the normally staid Cabinet member into her fieriest defense yet of the White House’s approach. “You have to appreciate that we live in a very different world. We can’t keep doing things the same way,” Tai told Rep. Adrian Smith (R-Neb.).

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