The fight against fracking; Doc - "The Maestro in the Subway"; Bill Cosby and the power of the image; Doc - Iroquois Falls

Summary: Interview with Jessica Ernst and her lawyer Murray Klippenstein on fracking in Alberta; Doc on violinist Joshua Bell as busker and author Kathy Stinson; New York magazine photographer Amanda Demme with Barbara Bowman, Cosby accuser; Doc on Iroquois Falls.