Fear, I’ve learned, is a miser. It makes us small, it hoards our humanity like loose change in a jar labelled Not Today. But curiosity, that’s the thief that breaks in at night, and leaves a note that ...

A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...