Amid burned-out and boarded-up storefronts in the aftermath of protests over the fatal police shooting of Michael Brown, plastics packaging mogul Dave Spence is pushing his effort called Ferguson 1000 Jobs. Spence said protesters at a panel discussion he helped organize cursed Ferguson's mayor and police chief, who were flown to Massachusetts at the former candidate's expense. Some protest organizers question whether Spence is using Ferguson to pave the way for his own political comeback, which he hasn't ruled out. [...] two years ago, Spence, 56, had never sought elected office. Motivational speaker and community organizer Andre Norman, who helped coordinate the Harvard panel, said long before Spence decided to run for office, the two of them spent several years trying to turn a struggling St.