Why etiquette matters when you take clients out for lunch. Chewing with their mouths open. Doing awkward things with napkins and utensils. Speaking casually with wait staff. Such was the business-lunch behaviour of a Bay Street sales team that Linda Allan, a Toronto-based management consultant and trainer who offers business-etiquette training, met up with a few years ago. She was hired by the VP of sales, who’d been told to “fix it, and fast”...