Agence France-Presse: A marathon UN climate conference entered its final stages on Friday with a spring in its step after the European Union (EU) salvaged its environmental credentials with a landmark new pact. “The EU today said, ‘yes, we can and here’s how,’ and that’s pretty good,” said US Senator John Kerry, president-elect Barack Obama’s point man at the talks in Poznan, Poland. The European pact, agreed unanimously by a 27-nation summit in Brussels, is “very exciting,” Kerry told AFP during …