SINGAPORE (Reuters) - "Go East" is a message being heeded by many Asian professionals in the United States and Europe who see brighter job prospects in a region that is expected to outperform the rest of the world for economic growth. Zhang Zheng Han, 26, is one of a growing flock of highly educated Asians living in the West who have bought one-way tickets home, lured by job opportunities, family ties and a comfortable lifestyle. "Right now no nation is changing as swiftly as China," he said. "There are so many ...