China’s progress in building a modern economy, evident in its kung-fu fighting robots and self-parking cars, is hitting limits as a downturn in its housing industry drags on and young people struggle to find jobs. BEIJING (AP) — China’s progress in building a modern economy, evident in its kung-fu fighting robots and self-parking cars, is hitting limits as a downturn in its housing industry drags on, small businesses suffer and young people struggle to find jo... [6875 chars]