The Euro's Big Test

In a cramped office in central Stockholm — filled with young people wearing badges that simply say no — Lowisa Anderzon is working the phones. She is making cold calls to likely voters, trying to get Swedes to go to the polls on Sept. 14 and reject the proposal that this Scandinavian nation of 9 million people should join the euro. The yes side has mounted a slick, expensive campaign funded by big businesses that support the European common currency. But they're trailing in the polls because of people like Anderzon, a 27-year-old nursing assistant at a Stockholm hospital, who is...