China will “take all necessary measures” to defend itself if the U.S. imposes new tariffs on its exports, a senior government official said on Friday. Inside U.S. Trade on May 1 reported that a four-year review of tariffs on Chinese goods imposed by the Trump administration was nearing an end, with results to be announced as soon as this month. Bloomberg reported this week that an announcement could come next Tuesday. Asked on Friday about possible new tariffs stemming...