Wrong of Rudeness

In a time of fractious politics, being rude can feel wickedly gratifying, while being polite can feel simple-minded or willfully na?ve. Do manners and civility even matter now? Is it worthwhile to make the effort to be polite? When rudeness has become routine and commonplace, why bother? When so much of public and social life with others is painful and bitterly acrimonious, why should anyone be po...