Men aren't able to find jobs anymore, and they're withdrawing from society, essentially creating a matriarchy. For the upper social classes, marriage is still a successful model, but for poorer people it's not.

Evolutionary psychology tells us that men, especially powerful men, feel invincible and entitled to spread their seed, and that women can't resist the scent of masculine power. Women, by contrast, are said to be more altruistic and collaborative, seeking power so that they can share it with others.

Feminism was about making women's lives less constrained and giving them more choices.

In China, a lot of the opening up of private entrepreneurship is happening because women are starting businesses, small businesses, faster than men.

That's not a convincing argument. Public sector jobs are cyclical. Teachers get fired when money is tight, then rehired when things get better. Manufacturing jobs, on the other hand, aren't coming back. They're relics of a past age.

On the one hand, parents want their children to swim expertly in the digital stream that they will have to navigate all their lives; on the other hand, they fear that too much digital media, too early, will sink them.

In American fertility clinics, 75 percent of couples are requesting girls and not boys.