I spent ten hours today playing Risk with my son. What would normally have been simply a time-killer on a rainy Sunday became, after my earlier perusal of P. Michael Phillipps' treatise on the non-decline of the non-Westphalian-system, a day-long exercise in thinking about political geography. By lunchtime we had grown tired of the Classic version and took a break to run down to World Apart Games and pick up the 2008 version for an "updated...