Strategy in spades. >> 97% of scientists agree that humans are causing global warming, but try finding a single republican in congress to confirm that basic fact. years after newt gingrich and john mccain and george w. bush acknowledged the erarth is warming, climate change denialism is the de facto position for the republican party. an amendment was voted down that would have stated that climate change is occurring. to be clear, all the republicans present voted no and all the democrats present voted yes. joining me now is a political report at "the national journal." thank you for joining me...