person sort of made us do this and get it done and get done fast and kept us inspired, and that's sally satel. when i first came to aei about eight years ago the very second scholar i met after the great john makin was sally satel and she will come to this wonderful community so warmly and so kindly but then she also showed me through her work on issues concerning mental illness, addiction, healthcare and cities how to be a great scholar, and i've been inspired by her work ever since and i'm so happy that she told us that we had to bring our special guest, michael shellenberger, to the aei staged of discussion about his latest book, san francisco -- "san fransicko." i got it wrong. "san fransicko: why progressives ruin cities" i'll say it again. whyiv progressives ruin the cities. someone comes from new york city and spent some time in the '90s, early 2000 trying to make new york city better from what it had become in the '70s and '80s, this book has struck a particular note. and it's a great book we have a lovely conversation upstairs about it and you're going to hear a great conversation to