The debate over the government's right to take private property prompted by a recent U.S. Supreme Court ruling hovers at the very doorstep of Jody Carey and Dennis Wood, who live in a 1,000-square-foot house at the edge of a canyon in City Heights. No sooner did they buy the property for $260,000 last year and spend $200,000 rebuilding it – complete with a built-in beer keg tap in the kitchen, two limestone-trimmed spa bathtubs and maple floors throughout – than they received a notice from a little-known agency that their home and 187 others nearby might be demolished. "It...