From the first colonists to the heyday of Ellis Island, the U.S. has largely been built upon the backs of people who were not born here. But the economic impact of immigrants is more than just a matter of history. Even today, immigrants are the entrepreneurial engines that power the nation. From 1996 to 2011, the business startup rate for immigrants grew by more than 50 percent. In contrast, the number of companies started by U.S.-born citizens dropped by 10 Continue reading