A Chinese state-run media outlet on Wednesday warned that if the Commerce Department imposes countervailing duties on Chinese products because of an undervalued renminbi, Chinese officials will consider it a breach of the phase-one deal signed last month -- putting it and potential phase-two talks at “grave risk.” Commerce on Monday issued a final rule specifying how it can impose CVDs against a country if its currency is undervalued. The rule is set to go into effect in April. “Any...