Cul-de-sacs are getting cul-de-sacked. Cities across the country — including many in Minnesota — are declaring war on the stubby dead-end streets that are icons of suburban life. Northfield has virtually banned cul-de-sacs, and many new suburban projects limit or eliminate them. "Why would anyone do that?" asked Sherri Fassbender, 41, on Thursday as she watched her children cavort on the quiet expanse of street that is her Woodbury cul-de-sac. "You'd have to be crazy not to want to live on a cul-de-sac." Families love them and officials hate them — for the same reason. Cul-de-sacs limit connections to the...