Kissin' Cousins

Illustration for article titled Kissin' Cousins

U.S.: One kiss. France: Two. Netherlands: 3. In today's "Freakonomics," Daniel Hamermesh asks, who makes the kissing rules? Who changes them? How do we learn them? And we'd better! [New York Times]

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Do most people in the US even do it? On the Cuban side, it's usually one or two and a hug.