Think world governments are screwed? Read this - it will be MUCH worse... For those of us who believe a 3 year under-estimate in longevity may be FAR too conservative, just imagine how wildly the current assumptions need to change... http://marginalrevolution.com/marginalrevolution/2012/04/what-if-we-live-longer.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+marginalrevolution%2Ffeed+%28Marginal+Revolution%29