The other day The Wall Street Journal carried an op-ed praising America’s immigration project written by two academics, Tellis and Rosenzweig, both (interestingly) professors of marketing.

The article was a puff piece promoting their forthcoming book “How Transformative Innovations Shaped the Rise of Nations: From Ancient Rome to Modern America.”

The thesis of the article – and presumably that of the book – is this:

Openness to outsiders has the power to make or break a civilization.