40, 50 is the new 50 and its okay. We ought to be comfortable with what age we are. That middle age is really extending well beyond 60 and 65 with this increased longevity. People are living 20 or 30 years longer than they ever anticipated what does that mean Public Policy wise . Guest it has huge implications for Public Policy and for cities, not only in the us but around the world. When Social Security was originally put in place some 80 years ago, lifeexpectancy was around 62. Youve got to work until your 62 and you are likely to die when you were 67 or 68. Today, the fastestgrowing age group in this country is people over the age of 85 and the second is over the age of about 100 three we are living really 20 or 30 years longer than our parents or grandparents did so as we think about Public Policy, about not only Social Security and medicare but mobility and this whole wealth of brainpower that is just sitting there in their 60s and 70s and 80s, how can we as society engage the 50