Ezra Klein and his data brigade think political science will save us. But expert opinion is why we're in this mess | "How well-known is this problem? It is extremely well known. One of the greatest books of them all on American political dysfunction, David Halberstam’s “The Best and the Brightest” (1972), is the story of how a handful of poli-sci geniuses got us into the Vietnam War. How political science conquered Hanoi, you might say, except that it didn't exactly work out like that."