Carnival trades at a forward PE multiple4 of 16, with a forecast long-term growth rate of around 16% per year.5 This is an attractive trade off, in my opinion, particularly given the great dynamics of an industry riding the powerful, long-term currents of mass affluence and aging.

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Long-term care will become a bigger and bigger challenge with the aging of America -- and we must help our families deal with it.

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Natural gas prices will reverse their recent decline because of growing long-term demand and slowing production growth due to aging fields.

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Yes, the biggest driver of our long-term debt is the rising cost of health care for an aging population.

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And, as 77 million aging Baby Boomers require more health and long-term care, deficits will head upwards in the decades after that.

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Both parties, for example, agree that the rising cost of caring for an aging generation is the single biggest driver of our long-term deficits.

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The reason for the shortfall: A decline in supply occasioned by the long-term fall in the car accident death rate has coincided with a growth in demand occasioned by aging demographics and breakthroughs in medicine.

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