Washington Post: U.S. officials labored on two fronts Tuesday to secure an international agreement on climate change, haggling with diplomats over the scope and costs of a proposed accord while fending off fresh attacks from Republican lawmakers who have vowed to torpedo any deal that emerges from the talks.
Secretary of State John F. Kerry, in France to lead the U.S. delegation, described broad momentum toward an accord but also warned of sharp differences that would have to be overcome if a deal is to be reached...