What is the longevity revolution? -- The new longevity is the biggest challenge -- "The greedy geezer": the manufactured clash of the generations -- Ageism: another form of bigotry -- The changing family and longevity -- The disorders of longevity -- Human interest in longevity: the power of research -- Alzheimer's: the epidemic of the twenty-first century -- The "biology of extended time": evolution and longevity -- Cycles, clocks, and power plants: longevity science and aging research -- Toward a prescription for longevity and quality of life: health promotion and disease prevention -- Redesigning health care for an older America -- Live longer, work longer: productive engagement -- Social Security: self-responsibility, and the state -- The private sector: providence and risk--the role of the marketplace -- The politics of aging and longevity -- Population solutions to longevity: transition to stable populations -- Worldwide democratization of longevity: overcoming famine, war, and pestilence -- Threats to longevity: could we lose the longevity revolution? -- The good life: quality of life in the era of longevity -- Imagining longevity: challenges of the future.