Many of us find ourselves confronted with rudeness every day and don't know how to respond. From the intrusive cell-phone user who holds loud conversations in public to the hostile highway driver who cuts one off with a quick swerve of his car, politeness seems to be on a downward spiral, surprising us at every turn. P.M. Forni, the author of "Choosing Civility," has the answer. knows that rudeness begets rudeness and, in "The Civility Solution,"...