T he head of a leading civil society group has said he is “cautiously optimistic” about the future safety of Twitter after meeting the site’s new owner Elon Musk but warned him that “actions speak louder than words”. Jonathan Greenblatt, the chief executive of the Anti-Defamation League (ADL), was one of a number of civil society group figures to meet with Mr Musk about combating hate on the platform. Mr Musk’s takeover of Twitter has sparked concern among many safety and anti-hate campaigners because of his previous statements around loosening the site’s content moderation rules and allowing banned users to...