Among our top local stories:  A 70-year-old Elkhart woman has been arrested and charged with killing her husband… A worker at the Popeye’s restaurant who was stabbed during a robbery attempt is being credited, in part, by the quick pick-up of the suspect… The South Bend Police Department’s Violent Crimes Unit is currently investigating a homicide… And four of the GOP candidates for the Indiana gubernatorial nomination sparred on the debate stage last night. We have highlights.