New poll shows 22% of Chicago voters undecided in mayor's race, with 16% Lightfoot, 14% Wilson

"It is a good poll for Willie and Lori and a couple other candidates," said Benjamin Bobo of 1983 Labs. "But I would be cautious about drawing too much from saying, you know, 'This is saying who's gonna be in the runoff.'" Political Editor Mike Flannery reports.