My son was three years old and my daughter had lived on this Earth for just two months when I met Sheila Hansen. She’s a tall, soft-spoken woman who laughs easily and exudes warmth when she speaks; she has the kind of comfortable self-confidence that immediately makes you think she’d make a loyal friend and a good mother. On that muggy July day, sitting in the conference room of a church in southern New Jersey, she told me a story that chilled me to the bone and forever altered the way I think about my adopted children, about birth parents, and about the country in which I grew up. […]