That's a small clip from Matt Taibbi's latest book: Insane Clown President, Dispatches from the 2016 Circus.
Here's a nice interview he did with Chris Hedges:
Taibbi's opening page of Insane Clown President is a quote from Molly Ivins:
"I believe that ignorance is the root of all evil. And that no one knows the truth."Amen.