Agence France-Presse: The world’s top polluters have found new momentum towards a landmark deal to fight global warming at Group of Eight-led talks, but serious “gaps” remain to be overcome, delegates said Friday. “Realism has set in in discussions among key nations… the realisation that time is running out” ahead of key UN talks in Copenhagen in December, said Achim Steiner, the head of the UN Environment Programme, as the three-day talks wound up in Syracuse, Italy. “I do leave Syracuse very …