I took my wife to the hospital. She had just entered for a urine test when the doctor leaned into my ear and whispered, “Call the police immediately.”

The hospital was crowded that morning, with people milling around doing paperwork. My wife was scheduled for blood and   urine tests. When she entered the exam room, I waited outside. My heart was pounding, not understanding why I was so nervous that day. About ten minutes later, the doctor on duty—a middle-aged man with…