Do you have any high school friends who went on to win a Pulitzer? Heather does! Atlantic staff writer Jennifer Senior chats with Heather about her new book On Grief, their upbringing in New York, why Jennifer left the New York Times, why no one is prepared to be old, how parenting can affect your happiness, why people pursue fame, Jennifer's award winning feature Twenty Years Gone, and how all of us grieve in different ways.