New Power Generation

It's almost 2 a.m., and Kilimanjaro is starting to heat up. Dancers gyrate to the sounds of DJ Christos, a Greek-South African who mixes European house and American hip-hop with floor-jamming local tracks. Perched around the tables, women apply makeup with practiced nonchalance while men joke with friends and watch the women. The Johannesburg club, which opened two years ago (it's named after a nightspot that was popular among African diplomats in Washington in the 1980s) attracts a mostly black crowd. But inhere what matters is not the color of your skin but what car you drive and what clothes you...