By TIM NOVAK AND CHRIS FUSCO Staff Reporters tnovak@suntimes.com cfusco@suntimes.com July 16, 2012 12:46AM Weeks after she leveled sexual harassment charges against some co-workers 19 years ago, Chicago Police Officer Kimberly Miller-Shemash suffered what turned out to be a career-ending injury when someone didn’t replace the lug nuts on her squad car. Challenged over the […]