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Early on in this examination of "the huge rise in teen oral sex" comes one of the funniest lines we've ever seen, courtesy of author Tim Harford:

[H]ow you feel about it probably depends on whether you are a teenager or a parent of teenagers. I am more than a decade away from being either and so regard myself as a neutral in this debate. Moreover, as an economist, I feel uniquely qualified to opine on why it is happening.

Next week in Slate, Christopher Hitchens makes the case for sobriety.

A Cock-and-Bull Story [Slate]