Anti-gun Democrat wins primary to replace Jackson Associated Press Copyright 2013 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 8:55 am, Wednesday, February 27, 2013 CHICAGO (AP) — The newly elected Democratic nominee to replace disgraced former Rep. Jesse Jackson Jr. vowed to become a leader in the fight for federal gun control and directly challenged the National Rifle Association in her victory speech. [...] she gained huge momentum when New York City Mayor Michael Bloomberg's super PAC poured $2 million into anti-gun television ads that blasted one of her Democratic opponents, former Rep.