BRUSSELS — The European Union wants to make Europol the central nervous system for police to trade data and use cutting-edge technologies, as part of plans to beef up the bloc's internal security . The European Commission unveiled plans on Wednesday to strengthen the way its law enforcement agency based in The Hague fights crime, as the bloc seeks to formulate a tougher response to threats ranging from cyberattacks to hybrid aggression previously linked to Russia-backed actors. "We are