'Super/Man: The Christopher Reeve Story' Subjects Honor Robin Williams in their 'Chosen Family'

Christopher Reeve's children and directors Ian Bonhote and Peter Ettedgui dropped by the IndieWire Studio at Sundance, presented by Dropbox, to talk about the new documentary "Super/Man: The Christopher Reeve Story" and what it means to be a hero. The film also touches on Reeve's friendship with Robin Williams, and his children recall how Williams felt like part of their "chosen family."