BBC: French President Nicolas Sarkozy has failed to persuade eastern European leaders to sign up to the EU’s climate change plans during talks in Poland. After a meeting with the leaders, Mr Sarkozy said there had been progress but that an agreement had not yet been reached. Several newer EU members say a commitment to cut greenhouse gas emissions by 20 per cent by 2020 would have a negative impact on their economies. But Mr Sarkozy says he is determined to get a deal as it …