In the wake of any shocking event, national governments and officials of the European Union invariably call for more cooperation between member states to prevent anything similar happening in the future. The response to the March 22 terrorist attacks in Brussels was no different. Following the attacks, the governments of Germany, Italy, France and members of the EU Commission demanded a global response to the terrorist threat. EU Commission President Jean-Claude Juncker even proposed the creation of a "security union" to combat terrorism at the continental level. In a March 24 meeting, ministers at the EU Justice and Home Affairs Council highlighted the need to share information among member states to fight terrorism. But despite the calls for greater cooperation between EU members, the national interests of individual EU member states will prevail in the long run, limiting the possibility of integration within the Continental bloc on security issues....