After a difficult week, and a particularly tense two days of talks with EU leaders in Brussels, British Prime Minister David Cameron struck a deal late Feb. 19. This concludes his renegotiation of Britain's relationship with the European Union. Cameron has announced that the United Kingdom will hold a long-awaited referendum June 23 to decide whether to remain in the European Union. In the coming days much will be made of the renegotiation within the UK, with Euroskeptics inevitably condemning it as not going far enough. Campaigners for continued EU membership will point out that Cameron gained much of what he set out to achieve. In truth, when the referendum finally does come around, the renegotiation is unlikely to figure highly in the voters' list of considerations....