When’s a secret not a secret? When you’ve got a film crew following you around. David and Miriam Lapp risk excommunication from the Old Order Amish faith in Pennsylvania. There’s a stricture in forbidding photography. There’s a stricture against having a phone in the house, but having one in a shack outside, or in the garage, is acceptable. The garage isn’t a place where the car is kept. That’s where the horses are kept that pull those wheeled...