Agence France-Presse: A European Union summit refused Friday to put a figure on aid for developing nations to cut greenhouse gases, waiting to see what United States and others offer. The European Commission has proposed 30 billion euros and EU leaders, ending a two-day summit in Brussels, have been working on that basis, officials said. However no figure was included in draft conclusions drawn up for the summit, with the EU not keen to show its hand before the United States, China and others had …