January 10, 2017 11:20 pm Obama Gives Farewell Speech in Chicago to Crowd of 18,000 President Barack Obama gave thanks to Chicago, where he got his start in politics, in his farewell presidential speech Tuesday night. Mary Ann Ahern reports. US & World Videos 2:09 Concord rejects middle school name change honoring Black abolitionist 2:41 Has Kristi Noem's dog-killing story taken her out of the race for Donald Trump's running mate? 2:10 High school senior elected to school committee 1:36 How to keep the big game from ruining your sleep 2:36 Celtics blow out Cavs in Game 1