The April Atlantic carries a long, long report on talk radio, "The Host", by novelist David Foster Wallace. It is a brilliant dissection of what talk radio has come to, and thereby offers what I found to be a scary insight into American culture.
Caveat: The layout - influenced by "Wired" and other hip publications - puts material usually contained in parentheses or relegated to footnotes alongside the main text. And the author also uses that border area to think out loud. It's all very creative and it makes reading the piece a trial.
But it's an extraordinary bit of journalism.