Technology companies must constantly weigh ethical decisions: Where should Facebook set its privacy defaults, and should it tolerate glimpses of nudity? Should Twitter close accounts that seem sympathetic to terrorists? How should Google handle sex and violence, or defamatory articles?

In 2013, 71 percent of black children in America were born to an unwed mother, as were 53 percent of Hispanic children and 36 percent of white children. Indeed, a single parent is the new norm.

Literature seems to offer lessons in human nature that help us decode the world around us and be better friends.

Nicholas Kristof Quotes