Adding up all the dynamics of history, culture, and grievance doesn't explain what's happened with Muslims and Christians. When it comes to violence, not everything has a reason.
This week's round-up of Good Reads includes a look at elusive and isolated Amazon tribes, signs of progress across Africa, the well-being of Americans, and the savvy of US voters.
Columbia University women are outraged that Obama will deliver the commencement address at Barnard College, the neighboring women's school. Some accuse Barnard women of wanting to bed and wed 'their' Columbia men. Why do women still define themselves in terms of men?