Ukrainian President Volodymyr Zelenskyy and US envoys held more than five hours of negotiations in Berlin with no indication of potential results revealed, only that talks would continue. "Representatives held in-depth discussions regarding the 20-point plan for peace, economic agendas, and more. A lot of progress was made, and they will meet again tomorrow morning," White House envoy Steve Witkoff said in a post to X late December 14. Zelenskyy was already scheduled to meet with key European backers -- the leaders of Germany, Britain, and France…