Missouri U.S. Senator Roy Blunt says President Trump’s deal with Mexico sends the biggest message to China – not Mexico. On Sunday’s Face the Nation, Senator Blunt said the president has consistently been willing to use tariffs as part of international negotiations. “The president believes that tariffs are a significant positive economic tool,” said Senator Blunt. “Lots of people in the country agree with that; it’s never been my view, but it’s always been the president’s view.” Blunt, a Republican, says he would rather have open markets.