Politico: The fate of the Keystone XL oil pipeline is now in John Kerry's hands -- and greens say the secretary of state's legacy as a climate champion is at stake.
Kerry spent much of his Senate career at the center of the global warming debate, fighting an unsuccessful battle for climate legislation in the face of an often apathetic Congress. He wrote a 2007 book on environmentalism that included a chapter saying we face a "decisive decade' on climate change, and he warns in his speeches that the world...