Facebook CEO Mark Zuckerberg: We don't allow misinformation in our ads

Facebook CEO Mark Zuckerberg, Twitter CEO Jack Dorsey and Alphabet CEO Sundar Pichai testify before lawmakers. Rep. Jan Schakowsky asks Facebook CEO Mark Zuckerberg about the platform's role in the January 6th insurrection. She also asks about Twitter, Facebook and Google's policies around misinformation in advertisements.