covid-19 vaccine. greg zurem, zuckerman, thanks for joining us. you basically became a biologist on the fly brian i'm accident tall going into this thing obviously the vaccines were developed quickly seemingly but the more i looked into it, the more i researched and talked to the scientists executives, investors, researchers, it was a long process of years of drama frankly all kinds of fascinating interesting scientists and many, if not most, were american. and really american story in terms of the investors, in terms of capitalism. i spoke to the top ceos of all the testimony companies. most of them are foreign-born no way vaccines could have been produced without america. something we could be proud of something president trump says modern day miracle. brian: anyone who reads this book will feel better about the vaccine it wasn't rushed. they just got together and did it quickly here is excerpt build