Katie Tietz Schmidt and Hermann Hoerlin were an unlikely couple in pre-World War II Germany. She was Jewish, though she considered herself a Catholic, and was well-connected in German society. He was an expert mountain climber, a highly-regarded physicist and staunch opponent of the Nazis. They met after her first husband was killed by the Nazis, fell in love while witnessing the horrific changes in Germany, convinced the government to allow them to marry and move to the U.S., and went on to lead an adventurous and fascinating life here. Their daughter, BETTINA HOERLIN, describes it all in a new book based on their love letters called “Steps of Courage: My Parents’ Journey from Nazi Germany to America.” She joins us in the studio to tell her parents’ story.