Article: The Upside of Nationalism

America-first fervor could be the driving force behind economic populism

YOU DON'T NEED TO listen to presidential speeches or watch party attack ads to know that full-throated nationalism is now lodged in the ideological center of American politics. Look at social networking expert Valdis Krebs' January chart to see what we-the royal We-are reading. Krebs amassed data from Amazon.com, examining what other titles buyers of conservative and liberal political books purchased in 2007. Most of this "also bought" data showed buyers of one liberal book buying other liberal books-and conservatives doing the same on their side.

Krebs' chart, which draws a line connecting each "also bought" book, ...

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