Immigration is the subject Europe's politicians would rather not talk about. No issue generates more emotion, and few others seem as confounding to solve. Take a stand on either side of the debate, and you're bound to get burned. Vowing to act tough on illegal immigrants and false asylum seekers plays well in the heartland; but crackdowns merely send refugees underground, forcing them to take ever-deadlier risks to get in. Easing entry requirements makes good economic sense, since Europe needs 75 million new workers over the next 50 years to replenish its aging population; but try telling that to downsized factory...
