For more than 150 years, Town & Country has stood for quality and refinement. So who better to offer sound guidance on leading a civilized life in a world of eroding social graces? Here, some of the keenest and wittiest observers of our changing culture put forward their incisive—and thoroughly modern—views on sidestepping today's most prevalent, perilous social landmines. From such topics as cell phone and E-mail etiquette to guilt-free apologies, these timely essays offer astuteness without stuffiness.