Guardian: French attempts to craft a global warming pact to make the EU a world leader in tackling climate change are gridlocked, with governments unable to agree on how to share the pain and costs of slashing greenhouse gases by 20% within 12 years. A European summit tonight in Brussels will fail to agree on the means to the end of meeting the EU’s ambitious targets, warned diplomats and officials. The deal has to be struck by the end of the year for the package, which was agreed …