This is is a revealing piece from a former global warming supporter on the politically influenced global warming "science:" I devoted six years to carbon accounting, building models for the Australian government to estimate carbon emissions from land use change and forestry. When I started that job in 1999 the evidence that carbon emissions caused global warming seemed pretty conclusive, but since then new evidence has weakened that case. I am now skeptical. In the late 1990s, this was the evidence suggesting that carbon emissions caused global warming: Carbon dioxide is a greenhouse gas, proved in a laboratory a century...