Schedule for Tuesday February 2, 2016

Today on q: (2) Lucy Kalanithi on facing mortality and loss. (2) Casting director Tracy "Twinkie" Byrd on bringing diversity to the screen. (3) Helping victims of online harassment with Heartmob. (4) Scaachi Koul's latest social experiment.

Today on q: (1) Lucy Kalanithi about facing mortality and loss in her book When Breath Becomes Air. (2) Casting director Tracy "Twinkie Byrd on the challenges of bringing greater diversity to the screen. (3) Heartmob, a community that aims to help people experiencing online harassment. (4) q columnist Scaachi Koul's latest social experiment.