The inside story of the tech entrepreneurs who created the social media app Twitter. They hope to build a digital utopia but are unable to control the dark side of their creation.
World number one Scottie Scheffler hits a course record 62 to lead the Houston Open by one shot after the second round, with Rory McIlroy seven shots back.
The International Golf Federation is "optimistic" that the International Olympic Committee will accept a proposal for a new mixed event at Los Angeles 2028.