one interpretation of the book is all about but yellow brick road, going to the emerald city of oz, emerald city being green but the story that dorothy and farmer blown away from her farm, sometimes feel roosevelt in the back room, the scarecrow is the farmer with no brain and gets foreclosed on, feet in woodsman is the industrial proletariat with no hard and the cowardly lion is the political class to won't do anything about it. [applause] >> does that mean the wizard is mark hanna running the campaign of william mckinley and sat on his front porch the entire time? >> a lot of interpretations. >> this is the interpretation. it arose the same time the wizard of oz came out. the arthur, frank baum, never acknowledged that this was what he was doing and i don't know if he decided ok, hy didn't actually do it but if people want to read into it was a will may be so, maybe he thought it was better if he never did and it may simply have been -- it may simply have been people reading into it what they wanted to read into it. i think it was something in between. there were certain imagery that woul