BRUSSELS — EU leaders asked the European Commission to come up with tougher tools to deal with China’s economic might, with Germany warming to a harsher position toward Beijing. Over late-night dinner at a summit in Brussels, leaders requested the Commission assess the EU’s trade defense tool box and “eventually” come up with new instruments, to ensure the bloc has what it “needs to defend its interests and derisk,” according to an EU official. Leaders want the Commission to keep engaging with