90. Peter Singer Isn’t a Saint, But He’s Better Than Steve Levitt

16. Joshua Jay: “Humans Are So, So Easy to Fool.”

People I (Mostly) Admire

15. Tim Harford: “If You Can Make Sure You're Not An Idiot, You've Done Well.”

People I (Mostly) Admire

13. Yul Kwon: “Don't Try to Change Yourself All at Once.” (UPDATE)