This week, FRANCE 24's media show Scoop looks at Britain's decision to block controversial left-wing commentators Hasan Piker and Cenk Uygur from entering the country. The interior minister judged that their presence was "not conducive to the public good". This vague standard is increasingly being used to keep out high-profile foreigners. Our guest is Jemimah Steinfeld, the CEO of Index on Censorship.