The wheels on the bus go 'round and 'round, and lead to happier kids.Photo: Carla SaulterEditor's note: This is the first installment of a column about parenting in the city by Carla Saulter. "The myth that good parenting means ferrying one's children in the car prevents our seeing the alternatives." -- Carjacked: The Culture of the Automobile and Its Effect on Our Lives, by Catherine Lutz and Anne Lutz Fernandez My husband, Adam, and I live in Seattle, in a (somewhat) dense, (fairly) walkable neighborhood. We have two children, ages nine months and (as of today) three years. We enjoy …