European Union citizens are able to travel, look for work, settle down and even retire wherever they like across the 27-member bloc and can phone without having to pay excessive roaming charges. Major political and economic issues aside, enabling these everyday activities to be taken for granted is perhaps the biggest achievement of the EU on behalf of its citizens. Here’s a short list: \- Passports are no longer needed. A valid identity card suffices for crossing internal borders and for visiting the non-EU countries Iceland, Liechtenstein, Norway and Switzerland. And even that document does …