Zuckerberg stumbles over AOC's questions about white supremacy during Congress hearing

Mark Zuckerberg appeared to stumble when confronted with tough questioning by congresswoman Alexandria Ocasio-Cortez, who asked the Facebook CEO if a right-wing news outlet known for its ties to white supremacist groups is an appropriate fact-checking group to help oversee the social media giant's content.Ms Ocasio-Cortez confronted Mr Zuckerberg during congressional testimony on Wednesday, where the CEO was due to discuss a cryptocurrency favoured by his company. But the Democrat instead chose