At stake is prestige, hundreds of jobs and influence over how the European Union will protect its economic borders for decades to come. The new office is expected to be operational this year and will become fully operational two years later. Who will Warsaw face? The list of candidates is long. In addition to Warsaw, the following are Liège (Belgium), Malaga (Spain), Lille (France), Zagreb (Croatia), Rome (Italy), The Hague (Netherlands), Porto (Portugal) and Bucharest (Romania). Each city plays its own card. The Hague is promoting closer ties with Europol. Belgium and France are betting on logistics. Poland is bringing…