Two 14-year-olds grill an author about the future of humanity By In his new book for young teenagers, Charles Kenny points out signs of global progress, including the growing number of kids in school. Above: The Oloo Education Center aims to provide an education to kids in Kibera, a poor community in Nairobi, Kenya. When you type "Kibera" into the Uber app, it comes up as "Kibera slum." (Julia Gunther for NPR) What kind of world will Gen Z live in 20 years from now? That’s one of the questions that Charles Kenny aims to answer in a new book targeted to 12-15 year olds in