The U.S. and China have largely agreed on an enforcement mechanism for a bilateral trade deal, Treasury Secretary Steven Mnuchin said on Wednesday. “We’ve pretty much agreed on an enforcement mechanism,” Mnuchin said in an interview with CNBC . “We’ve agreed that both sides will establish enforcement offices that will deal with the ongoing matters.” Mnuchin and Chinese Vice Premier Liu He spoke over the phone on Tuesday, the Treasury secretary said, and will speak again on Thursday morning...