$5M+ pouring into school board race: Chicago Teachers Union outspent 4-to-1 by opposing PACs

Millions of dollars are flooding into Chicago's historic School Board election. While the Chicago Teachers Union (CTU) put another $300,000 behind candidate Hilario Dominguez, outside PACs, including billionaire Michael Sacks' Common Ground Collective, INCS Action, and SEIU, have spent $4 million backing rival Jessica Biggs or opposing Dominguez. Brandon Pope walks us through the campaign finance figures and what Q3 finance disclosures may reveal.