AP Photo

The new mall culture in Zambia's capital, which I've watched expand almost exponentially in visits over the last three years, is booming all over Africa, in places like Accra and Dakar, Windhoek and Gaborone, Nairobi and Maputo. Driving it are young people like Joshua and his friends, a generation that is growing up like none that preceded it: a bulging new cohort of young people with disposable income, however modest, a keen and up-to-the-minute sense of youth trends and of consumerism around the world, and, most importantly, the expectation that life that will continue to get better and richer and fuller of choices.