Why Are There So Many Gang Members in Chicago?

Out of all major U.S. cities, only Los Angeles compares to Chicago in the number of gang members—and Chicago may well have more than the nation’s second-largest city. It has considerably more than New York. What went wrong, and what can be done to address it?

The Paths of Chicago Twitterers

A map of Chicago using geotagged tweets shows the corridors of travel from one point to another, based on who’s tweeting from where. It mostly looks like you’d expect, with one mystery.

Childhood Obesity and the New School Lunches

The USDA released new school-lunch guidelines today, which define how much tomato paste on a slice of pizza is equivalent to a vegetable, and doesn’t restrict potatoes… though the National Potato Council is still concerned that their prize product is considered a “second-class” vegetable.

Saul Alinsky Goes Viral Again

Newt Gingrich’s constant flogging of the Alinsky name has brought the legendary organizer back into the zeitgeist again. But it’s a clumsy attempt to tar Obama, not least because the Tea Party has found much more interesting uses of Alinsky’s legacy.

Today in Chicago Numbers

Chicago’s high hit-and-run rate, considerably higher than the national average; how the city’s most expensive restaurants rank; how our expensive El repairs rank; and more.