Agence France Presse: A US Senator leading efforts to pass legislation to battle climate change said supporters of the measure were “not scaling back” their efforts despite an election setback for the White House. “We are not scaling back our efforts. We have not changed our goals one bit,” Democratic Senator John Kerry said of efforts to craft an approach that can rally the 60 votes needed to clear the US Senate. Supporters of the approach have seen their legislative options narrow after …