Bloomberg: A decade after the U.S. Senate voted 95-0 to discourage the Clinton administration from signing the Kyoto agreement without dramatic commitments from India and China, it is worth asking how much the political climate for climate change has improved. Beyond Al Gore’s Nobel Prize, there are some positive signs. Today, far more Republicans, such as Senators John McCain and John Warner, advocate some form of capping and trading of carbon emissions. Republican Governor Arnold …