October 6, 2015 6:30 pm Karen Lewis Talks Illness, Future After undergoing surgery for her brain tumor, Chicago Teachers Union President Karen Lewis talks about her illness as well as her future. NBC 5’s Mary Ann Ahern and Carol Marin reports. Local 3:03 Fallen Chicago Police Officer Luis Huesca remembered at visitation 2:08 Visitation set for Officer Luis Huesca as reward increases to $100K 2:17 Reward increases to $100K for arrest in Chicago Police Officer Luis Huesca's killing 2:00 Thornton Township residents seek answers over use of taxpayer dollars 1:42 Warrant issued for suspect in murder of Chicago police officer