CHICAGO (AP) - The menacing row of concrete towers where four of Katie Sistrunk's children were shot is almost all gone now, replaced by weeds and fields, mud and memories. The cage-like balconies that looked like prison tiers to Beauty Turner have all but disappeared. The gangs that peddled crack to Krystal McCraney Moore have found new places to haunt. One hollow-eyed lookout still paces at the entrance of the last high-rise, watching for police so he can alert drug dealers who lurk in the graffiti-scarred, darkened stairwells. This is the end of the Robert Taylor Homes, the final days...