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What I find interesting is that Stephen Paddock was 64 years of age.

I have long been puzzled why more mass shooters and terrorists aren't elderly. Logically, people with one foot in the grave and little to look forward to in life should be more willing to sacrifice themselves for some cause.

Do the elderly appreciate life more than the young, despite all the drawbacks of age and near death?

Perhaps being "older and wiser", they understand that it is unlikely that mass murder will produce a positive result.

However, both here and in daily life, I see little evidence that wisdom is much in evidence in the lives of most of the elderly.
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Once, weapons were manufactured to fight wars; today, wars are manufactured to sell weapons

It is far easier to deceive folks than to convince them they are deceived