February 5, 2015 10:20 pm Mayoral Candidates Duke it Out in Second Televised Debate Mayoral candidates in Chicago duked it out Thursday in their second televised debate. NBC Chicago’s political reporter Mary Ann Ahern reports. Local 1:42 Warrant issued for suspect in murder of Chicago police officer 2:15 Politicians, season ticketholders skeptical on Bears' plans for new stadium 2:09 Former Foxtrot, Dom's employees protest after abrupt closures 3:26 Friday morning weather 0:32 Man shot and killed in ‘exchange of gunfire' with police in Valparaiso identified