Stephen Sondheim, Pulitzer, Tony and Oscar winning composer-lyricist, and author of “Finishing The Hat, Lyrics 1954-1981” talks with Richard Wolinsky in a free-wheeling discussion of his works, and topics as far ranging as musical theatre today, politics in theatre, how he analyzes a show, and a brief entry into his creative process as he discusses how he might musicalize “Mary Poppins.” Program concludes on December 2nd.