Explosions and gunfire in Benghazi -- Kevin Connolly on the struggle for power in eastern Libya; Rupert Wingfield Hayes is in Tokyo where there's growing fear at the prospect of nuclear meltdown. Hannah Barnes has been talking to lovers of Hebrew who are determined to ensure that the language remains as up to date as it can possibly be. Two months after a Congresswoman was shot in Tucson, Arizona, David Willis looks at the impact the incident had had on America's attitude towards guns. And Monhammed Hanif has been touched by the miseries of a splendid snow leopard which has been removed from its home among the craggy peaks of Pakistan.