My grandfather was a Nazi. As others, like former California Gov. Arnold Schwarzenegger , have also noted , the political events of today remind me of my family's past. My grandfather wasn't among the first to join the party. In fact, it took years to convince him. But Johann Bischoff eventually became a Nazi for the power and safety the party afforded him at the time, and was one of the last to leave when Hitler's forces fell. My family story is one of complicity — of how an educated, pious man became a cog in the machinery of Nazi...