Religion is a way to make order from chaos, and I think economics is not dissimilar. In religion and in economics, you're trying to figure out the way we perceive the world and move through it, and that's what I like to learn.
What I think of as 'freakonomics' is mostly storytelling around an idea - not a theme but an idea. I like ideas much more than themes. Themes are boring. Themes are, 'Wool is back,' but ideas are, 'Why is wool back?'
I grew up in - I personally grew up in a gun culture. I grew up in upstate New York where most families had guns for hunting, target practice, whatever. The vast majority of people I knew never used their guns for any crime.
When most people think of economists, they think of macro-economists. Macro-economists try to describe or - even harder - predict the movements of a hugely dynamic system. They're like a transplant surgeon trying to simultaneously transplant every failing organ in someone's body.
While in the middle of writing a book, I have a hard time reading other books for pleasure.
The data are what matter in economics, and the more ruthlessness that an economist can summon to make sense of the data, the more useful his findings will be.