"it's very hard to imagine how the causality could run the other way, or what a common cause might be." On the contrary, a (mind that: possible) common cause i

"it's very hard to imagine how the causality could run the other way, or what a common cause might be." On the contrary, a (mind that: possible) common cause is even suggested in the article itself: "Perhaps long-distance commuters tend to be poorer or less educated, both conditions that make divorce more common."