FBI Director Kash Patel is set to visit China next month as the agency cracks down on international suppliers of chemicals tied to fentanyl, according to multiple sources with knowledge of the plan. Patel and President Trump have made combating precursor chemicals produced overseas and related funding streams a cornerstone of the administration's anti-drug policies, blaming China for fostering the United States' addiction crisis.  The FBI did not immediately reply to a request for comment. It