. >> host: so professor block, why did you open space capitalism, talking about knowing bernie sanners and protesting ayn rand. >> guest: what happened was that at the publish are said you have to put some personalized stuff in there, and had nothing to do with the book. it's more like what belongs on the back cover of the book. this is professor jones and he did this and has a wife and kids. so, i gave my person a story. the publisher asked and when the publisher asks, the author --ite tells the story of your economic views and how they'd change over the years. >> guest: when i went to high school issue went with bernie sanders, we were on the track team going my views were his. as a pinko come my socialist like him and then i met ayn rand. cam to boo and his hiss her and they converted me, one was there is some -- atlas shrugged and then -- profoundly affected me and got me out of philosophy and into economics. so, these personal stories which is through i guess humanize the authors, that had nothing to do with the book. added of after the book was written. >> host: the third on priv