The Trump administration’s senior trade counselor also dismissed concerns that the president forced only minor concessions from Canada and Mexic

One of President Donald Trump‘s top deputies put in a sharp defense of his administration’s trade policy on Tuesday, saying “the United States was built on tariffs” and promising they can boost the economy again.

White House trade adviser Peter Navarro told a Politico event the Republican president's second term marked a "quantum leap" from his first, with Trump and his advisers now "at the top of the learning curve."