WRAPUP 6-White House piles pressure on China after Trump tariff threat
June 19, 2018 at 17:51 PM EDT
WASHINGTON/BEIJING, June 19 (Reuters) - China has underestimated U.S. President Donald Trump's resolve to impose more tariffs unless it changes its "predatory" trade practices, a White House trade adviser said on Tuesday, as Trump greatly expanded the amount of Chinese imports possibly facing new duties.