Reuters: The European Union’s new foreign policy chief wants the EU to work more closely with China on climate issues and search for trade-offs with other policy areas, an EU official said on Thursday. Catherine Ashton will brief a summit of EU leaders on Thursday about her policy vision in areas such as climate, trade and security. "She won’t be saying that we’re flexible on everything, but she doesn’t want climate change to be seen as an isolated issue," the official said on condition …