An American comedian who has been slammed for a joke made at the expense of Bafta Tourettes-sufferer John Davidson has addressed the growing backlash against him. Deon Cole hosted the NAACP Awards for a second year in a row, and the night was littered with digs. Davidson was heard shouting expletives from the audience including a racial slur when actors and Sinners castmates Michael B Jordan and Delroy Lindo spoke on stage last week. The campaigner, whose life inspired Bafta-nominated film I