Nobel prize-winning German author Günter Grass, declared persona non grata by Israel over a poem saying the country threatened world peace, has published another work, this time praising a man jailed for leaking Israeli nuclear secrets. In one of a collection of 87 new pieces, Grass hails whistleblower Mordechai Vanunu, who served 18 years in prison for leaking Israeli nuclear secrets to a British newspaper, in a poem entitled "A Hero in Our Time". He describes former nuclear technician Vanunu as a "hero" and a "role model", according to extracts published by the German news agency DPA. Earlier this year,...