Louis Freedberg reports on South African comic Pieter Dirk Uys, who has used his humor to help thousands of young people protect themselves against AIDS.
Tesla CEO Elon Musk says his deal to buy Twitter can't move forward unless the company shows public proof that less than 5% of the accounts on the social media platform are fake or spam.
The hearing, which will include testimony from military intelligence officials, is the first on the subject since 1969. It will be livestreamed on the House Intelligence Committee's YouTube channel.