sentences:  After the film was shown he would have a discussion on stage with the filmmakers or others connected with the film, sometimes hosting a brief panel discussion.After Ebert lost his speaking voice due to cancer, starting with the ninth festival in 2007, his wife Chaz assumed many of the hosting duties.Post-show panels are led by his "Far-Flung Correspondents" or other respected film professionals, such as film historian David Bordwell and film critic Christy Lemire.