[SunLakesJeff]

However, I have a feeling that that “great coming together” that was kindled in the few years after 9-11 has come and gone. Islam is the religion of peace and all.

That said, they posit that we run through four generations; some weak, some strong.

One may wonder if there is, perhaps, a sociobiological component among perceived "generations", then.

[21twelve]

“One may wonder if there is, perhaps, a sociobiological component among perceived “generations”, then.”

I have read excerpts of the book, and just asked my wife to order me one for Christmas, so I don’t know. Although I am guessing that a certain generation as a general trait, and the next generation goes against it as rebellion of sorts. And I imagine the normal business cycles (good times and bad times) play a part too.