The Immigrant Exodus: Will the US Run Out of Entrepreneurs?

The U.S. has been ground zero for technological advancement for years— especially with the rise of the Internet. But entrepreneurial experts are sounding the warning bell that those days might be numbered.

Silicon Valley is still the heart of the tech world, but foreign-born entrepreneurs, who traditionally have moved to the U.S. to start their companies (or stayed here after attending American universities), are now opting instead to return home, in large part because of the difficulty in obtaining a work visa.

Read more at CNBC.com