NEWARK, Aug. 25 - With its gangs, police shootings and struggles to modernize, this city seems to have enough problems. Now it has one more. Dewey Street used to be a proud middle-class neighborhood, a chamber of peace and quiet in Newark's gritty heart. But last year when the state cleared out tracts of land to build a school, most of the families were driven away. And now that the money for the school has evaporated, more than three dozen lots sit abandoned, one after another. James Searcy is one of the last residents here, a 74-year-old man with milky...