Our Divided Divided Political Parties

Research by a University of Chicago prof shows that our political parties aren’t just divided red-blue down the aisle—each party has a centrist wing and a more ideologically pure wing, with a noticeable valley between the two.

The Link Between Car Crashes and Street Crime

In the city’s pedestrian plan, authors found a correlation between high-crime areas and lots of pedestrian crashes. But where’s the causation? Indian behavioral economists are dealing with their own, much more deadly traffic problems in Mumbai, and have a theory.