Linda McCalister is a nurse at an elementary school in Coconut Creek. Most mornings, the 57-year-old throws on a school-issued navy polo shirt before leaving home to care for other people's children. She paints black lines around her big blue eyes, combs her blond bob into place, and tries to shake those unsettling dreams — the ones where her eldest son tells her he wants to come home. In those dreams, sometimes he's a boy and sometimes he's a teenager. But he's never... More >>>