Canadian Press: Al Gore has again accused Washington of blocking progress at the UN climate talks in Bali, Indonesia. But the former U.S. vice-president says he thinks a breakthrough is still possible in the final days of the conference. Speaking to reporters today in Stockholm, Sweden, Gore says that he knows from experience that when breakthroughs do occur, they usually happen in the last 48 hours. The European Union and developing states strongly favour specific target ranges for …