Tillis was asking U.S. Trade Representative Jamieson Greer questions during a meeting of the Senate Finance Committee as frustration grows among legislators.

North Carolina Republican Sen. Thom Tillis asked U.S. trade representative Jamieson Greer who is going to bear responsibility for President Trump's "alla prima" (all at once) tariff campaign during a Senate Finance Committee hearing on Tuesday.

U.S. Trade Representative Jamieson Greer told U.S. senators on Tuesday that President Donald Trump's administration has no plans to change tactics on the global tariff program in the near term, prompting some light push back from Republican lawmakers as Democrats excoriated the approach.