The head of BBC News has warned its journalists that they need to be more concerned about "impartiality" on contentious issues. Addressing an internal staff meeting of BBC journalists, he said: "We need to be on our mettle, particularly over the question of impartiality." The main battlefields were Europe, the urban-rural divide and the Middle East, he added. The three issues are areas where the BBC has faced particularly vociferous allegations of bias. The corporation was accused by supporters of the Countryside Alliance of consciously underplaying the importance of the recent Liberty and Livelihood March because of the urban, pro-Labour...