Mayor Bloomberg is on record claiming that riots are caused by unemployment among college graduates. But I suspect that Occupy Wall Street is overweight degrees and underweight 9-to-5 employment, and it’s not taking down the regime so much as it is taking down a lot of pizza. So one might question Bloomie’s conclusions and seek someone with more rigorous statistical training to explain Where Do Riots Come From. Fortunately we have that in Yaneer Bar-Yam, a physicist, complex systems theorist and general man-about-town with a pleasing CV that includes writing a book called “Making Things Work” and telling Slate that ... (full story)