Kurt Andersen and comedian Amy Poehler talk about parody and how artists use it to both undermine and humanize the popular and the powerful. Joni Mitchell tells us about seeing a six-foot man in drag singing her songs on stage — and cheering him on. And we’ll hear from two writers so bored by the directors’ commentaries on DVDs they decided to write their own, in the voices of political hardliners. Plus the writer Rick Moody stops by to play some tunes with his band the Wingdale Community Singers.