BRUSSELS, Belgium — European Union leaders will converge on a Belgian castle on Thursday as the bloc seeks ways to punch its economic weight on the global stage — faced with threats from China and the United States, and hamstrung by its own divisions. It is a challenge that has long dogged the European Union, but has gained greater urgency because of geopolitical turbulence, intensified global competition and an economy that lags behind bigger powers. The leaders of the bloc’s 27 countries will try to bridge their differences on how to transform the European economy at the 16th century Alden Biesen […]... Keep on reading: EU leaders push to rescue European economy challenged by China, US