A controversial Hong Kong politician wants the United States to sanction his city as part of its ongoing trade war with China in hopes of somehow achieving his dream of independence and democracy. Andy Chan Ho-tin says China poses an increasing existential threat to local rights and freedoms since British colonial rule ended in 1997. He has become a local lightning rod, criticized by many for advocating independence but also seen as a symbol of free speech after Chinese and Hong Kong officials called for a public address of his this week to be canceled. In that address, he called...