Works and what drives our behavior than we have ever had in the history of humanity. That breakthrough was delivered thanks to our brain scans. I did not believe that i was going to afford that for my brain scanning machine. I looked for a different tool in a different needs. To understand how they are quantifying. And understanding characteristics of somebody. I have typically applied this business quite honestly. My most profound interest has always been in politics and starting in 2004 both the for the New York Times for cnn i began to diagnose the candidates who are occupying or running for the white house. That has been something that has been done persistently since. And with the election of donald trump in 2016 in all of that conservation of that raised in certain quarters i decided that time was there to investigate president s greatness in office perhaps less successful ten years in office. The book that i will take you to. The first part is indeed benchmarked to how president