Reuters: The EU ambassador to the United States said on Thursday that any delay by the U.S. Senate that pushes action on climate into next year could subject the country to the charge that domestic politics will always trump its international commitments. Such a move would postpone the formation of an overall U.S. climate plan until after a U.N. climate meeting in Copenhagen in December, when 190 countries hope to craft a new treaty to fight greenhouse gas emissions. “If this were to …