October 11, 2011 8:50 am Groupon Co-Founder Talks Big Ideas NBC 5’s Zoraida Sambolin chats with Groupon Co-Founder Brad Keywell, who happens to be the Chairman and Founder of Chicago Ideas Week. 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