U.S. Trade Representative Jamieson Greer said Sunday that President Trump is considering using arms sales to Taiwan as part of broader U.S.-China negotiations, noting recent past presidents also pause

Recent comments by U.S. President Donald Trump that arms sales to Taiwan are a “very good negotiating chip” in the United States’ dealings with China are heightening anxieties on the island democracy that Beijing claims as its own. Trump made the comment in a Fox News interview with Bret Baier…