Is Europe Anti-Big Family?

It doesn't look like the cutting edge of social protest: each morning, Sabina and Edoardo Mazzetti make a stand of sorts by getting their nine children — who range in age from 3 to 24 — up and out of a rented four-bedroom, two-bathroom flat in downtown Rome. Mazzetti, 50, says it has all gotten easier over the years: "The older kids help with the younger ones. And my wife has organized the morning into shifts. But everyone's always still in a hurry." A devout Catholic who's employed by a firm that monitors workplace health and safety measures, Mazzetti says the...