Trump's tweet came just 22 minutes after the Chicago Tribune published comments by Boeing CEO Dennis Muilenburg, who said he worried that Trump's promises of a more protectionist trade policy could hurt his company, which does robust business with China. Muilenburg told the Tribune that he would urge the president-elect to take a warmer stance toward the kinds of trade deals he railed against on the campaign trail, warning, "If we do not lead when it comes to writing these rules, our competitors will write them for us."