AZ's ballot review a playbook for disgruntled politicians

Republicans in the Arizona State Senate had commissioned a review of 2020 ballots in Maricopa County even though election officials found no large-scale fraud. But a partisan group called Cyber Ninjas undertook a controversial review of the vote and affirmed Joe Biden won Maricopa County and Arizona. Nate Persily, an election law scholar at Stanford University, joins William Brangham with more.