We are talking about a university -- not one man, many men and women, an entire culture -- that allowed a former coach to repeatedly rape and abuse boys for decades on university property and school trips.

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In a school of unarmed women and children, a man possessed of evil could have killed many helpless children with a single kitchen knife.

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She says that many black men and women, having been brought up by single mothers, are unsure what role a man should play in the home.

ECONOMIST: How the mass incarceration of black men hurts black women

And women in many parts of Africa are in a weak negotiating position when it comes to insisting that a man put one on.

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Many poorer women who are not well educated are forgoing marriage, believing that a man is simply a drag and an additional mouth to feed, Ms Rosin argues.

ECONOMIST: Now is not a good time to be a man