Associated Press: German Chancellor Angela Merkel called Tuesday for the U.S., China and India to make substantive pledges of action against global warming in order to prevent the failure of next month’s climate summit in Copenhagen. "A failure of the world climate conference in Copenhagen would set back international climate policy by years," Merkel said in a speech to parliament outlining her new government’s agenda. "We cannot afford that." Merkel said the European Union has put forward a …