The U.S. economy has long been powered in part by the nation鈥檚 ability to attract the world鈥檚 most educated and skilled people to its shores. But a new study of the worldwide migration of professionals to the U.S. shows a sharp drop-off in its proportional share of those workers 鈥 raising the question of whether the nation will remain competitive in attracting top talent in an increasingly globalized economy. The study, which used a novel method of tracking people through…




































