Saxony-Anhalt is a mid-sized state in Eastern Germany that has not really commanded much international attention since roughly 1517. In that year, on October 31, in Wittenberg, Martin Luther posted his 95 Theses on the Castle Church door, an act that is considered by many to have triggered the beginning of the Protestant Reformation. Certainly, for Americans, the region has rarely been front of mind since. But on September 6, what happened there matters to all of us and our futures. That is because in elections on that day, the Alternative for Germany Party (AfD) won the state elections, besting...