Last year, comedian Bill Cosby's 2018 sexual assault conviction was overturned by the Pennsylvania Supreme Court, which found prosecutors had improperly used a deposition where Cosby admitted to drugging women. A new documentary series looks at allegations against Cosby, and his role as a major figure in American cultural history. Jeffrey Brown reports for our art and culture series, CANVAS. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders