Wal-Mart Moulds Popular Culture: Wal-Mart and other big discount chains—now often account for more than 50% of the sales of a best-selling album, more than 40% for a best-selling book, and more than 60% for a best-selling DVD. Critics claim this has bent American popular culture toward the tastes of their relatively traditionalist customers. So, what’s the problem? (NY Times 5/18/03)

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