Holidays 13 hours ago Official Chicago Christmas tree lit as holiday season begins The official Chicago Christmas tree was lit Friday evening as the holiday season unofficially begins. Local 3:51 Can toxic chemicals in your clothing make you sick? 2:02 Senior citizens targeted in series of Chinatown armed robberies 2:15 Chicago's Christmas tree lit up for the holiday season 13:08 Happy to Report: Your dose of good news for the week 1:27 The Brief: What is a tariff?