Reuters: European Union leaders will call on the EU Commission to draw up a road map for deeper cuts in greenhouse gas emissions at a summit this week, going beyond a unilateral target agreed in the fight against climate change. A draft final statement prepared by the EU’s Slovenian presidency for the summit on Thursday and Friday urges the bloc to prepare to go beyond the 20 percent unilateral cut in emissions it has agreed to reach by 2020 from the 1990 level. "Stepping up to the …