How A Former Nun Made Millions By Training Teachers

Emily Feistritzer, who was a Catholic nun in her youth, later became a teacher. In 2011, she created TEACH-NOW, a company that trains and certifies teachers around the world. It is now a multimillion-dollar business. William Brangham returns, having caught up with Feistritzer in her Washington, D.C., home.

(Watch | PBS NewsHour)