Anyone who went to Catholic grammar school will remember the nuns, the Sisters of St. Disciplinaria, who, when they caught some culprits talking in class, would smack the offenders' skulls together, saying with ill-disguised triumphant glee, "It takes two to tango, and two to talk!"

This is an important lesson to remember, and it would do well for all those experts who are setting about with hammer and tongs to repair the image of the municipal bond market to remember it.

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