A humble root vegetable has changed the course of human history — twice

By Seth Freeman

Somehow, growing up, I always associated potatoes with Ireland and the Irish, and I assumed that Ireland is where potatoes came from. I was wrong. There is, certainly, a powerful intersection in Irish history with the potato, a fact worth remembering as St. Patrick’s Day approaches, but the full story of this unprepossessing tuber is actually far richer — and more interesting — than you might have imagined.