- #Africa is achieving strong growth since 1995, & as Pinkovski & @XSalaimartin show #poverty is now declining rapidly! t.co/HSSEG2CoCB
- new @PNAS paper with @James_H_Fowler on "friendship and natural selection" & prospect for social epistasis: t.co/bo3EaI9qvX
- 10 really, really smart & interesting thinkers on What's New in Social Science @edge t.co/P9xxXCoM1W
- Some examples of countries calling nuclear bluff: USSR > 1949; Egypt vs Israel; Vietnam, Iran, Iraq vs US; Afghan vs USSR; Argentina vs UK
- Nukes: unlikely expl of war decline. Conventnl superpower armies already massively destructive. Nukes so extreme they're effectively bluffs.