Announcing the move on a White House press call, Jamieson Greer said the probe would be conducted under Section 301 of the Trade Act of 1974, one of Washington's most powerful trade enforcement tools.
Neal Katyal, a prominent Indian-American lawyer and former Acting Solicitor General of the United States, questions Trump's 15% global tariff under Section 122, citing DOJ's past stance that trade deficits differ from balance-of-payments issues. After Supreme Court struck down earlier tar