Gun-related violence and murders are concentrated among blacks and Latinos in big cities.

Big cities do evoke a sense of menace.

I used to walk in the Bowery in the early 1980s, and it was not safe. It went from this to Disneyland under Giuliani and Bloomberg. This is now one of the best-run big cities in the world.

I'm a big-city boy. What I like is big cities. It's not just what I like. It's what I write about.

Science will liberate us from the chains of big cities and lead us back to nature.

Cities are like a beehive in a lot of ways and there's a hum to the city. You can tell what's happening with the hive by the hum,