[Jimmy Carr](/tvshowbiz/jimmy-carr/index.html) has claimed he will be cancelled over his joke that the 'thousands of gypsies killed by the Nazis' was a 'positive' effect of the Holocaust. Carr, known for his stand-up and roles on shows like 8 Out Of 10 Cats, issued a 'trigger warning' to the audience at the beginning of his one-hour [Netflix](/sciencetech/netflix/index.html) special His Dark Material, admitting his performance contained 'terrible things'. In a widely-shared clip from the show, Carr joked about the horror of the Holocaust and 'six million Jewish lives being lost'. As a punchline, the 49-year-old then made a disparaging remark about the...