The Pastor Who Grieved for Germany

In the summer of 1939, Dietrich Bonhoeffer sat in a New York City apartment with a ticket to safety and a heart splitting in two. Friends had arranged his escape from Nazi Germany — a teaching position, a quiet life far from the Gestapo's reach. He had every reason to stay in America. He lasted twenty-six days. "I have made a mistake in coming to America," he wrote to Reinhold Niebuhr.…