On visits to Shanghai and Beijing, Obama will encounter not simply a rising global power but a nation that is transforming and challenging the way Americans live overseas and at home, from college classrooms to real estate offices to the ginseng farms of central Wisconsin.
At the University of Wisconsin, as at college campuses across the United States, mainland Chinese dominate the study of science and technology and form the backbone of the engineering, chemistry and pharmacy departments. They receive twice as many doctorates in this country as students from India, the next-closest foreign competitor. And among foreigners, they register by far the most patents in the United States.