"It's food for our times at mostly moderate prices. ???For locality and sustainability, we send a message that this matters,??? Cates says. ???But Mezzanine scores big on other fronts as well ??? a good ratio of staff-to-patron, not too formal, simple enough cuisine with attention to detail, the sourcing, the tiny kitchen, and don't forget the Web site design.??? (Although it should displ" . . . .