Forty years ago, a McDonald’s opened near Rome’s treasured Spanish Steps. Local people were none too happy. Instead of fanfare, the fast-food outpost received swift backlash against the global cultural homogenization it represented. --- The tumult gave birth to the Slow Food Movement, a grassroots campaign to defend and promote regional heritage, culinary traditions, and a less frenetic pace of life. Since then, “slow food” has become part of a global lexicon whose principles have spr...