Jamieson Greer, President Donald Trump’s nominee to be United States trade representative, defended the use of tariffs against Mexico and Canada in his confirmation hearing on Thursday. Greer, who would play a key role in executing Trump’s trade policy,

Jamieson Greer, President Donald Trump's nominee for U.S. trade representative, said on Thursday that a universal tariff needs further study to gauge its impact on rising U.S. trade deficits, and put countries on notice they must lower import barriers to maintain access to the U.

Jamieson Greer previously served as the chief of staff to the trade representative during President Donald Trump's first administration.

Jamieson Greer, President Donald Trump’s pick for trade representative, defended the White House’s recent move to impose tariffs on three major countries: Mexico, Canada and China. Greer, who was the chief of staff for former U.