Lissa Druss & Thom Serafin go behind the scenes of polling voters with Rod McCulloch of Victory Research.  Who will be Chicago's next mayor?  Has Paul Vallas stayed on message?  What has driven Brandon Johnson's recent five-point jump? In this episode of the Crisis Cast, we get insights on the latest numbers from one of the nation's most revered pollsters.  Plus, Rod lays out what each candidate needs to do in the waning days before the election.