It is clear that the GOP now has a new denial spokesperson--Marsha Blackburn of Tennessee. I already blogged her misleading radio address on "ClimateGate" and Copenhagen; now, watch her in this CNN debate with Ed Markey: It's all here, folks: We've got the massive over-interpretation of "ClimateGate", global cooling claims (both about the 1970s and about the present), the assertion that "climate change is cyclical," that it is "unsettled science" and "it depends on whose science you're looking at," and so forth. It's bad, bad news. Blackburn is quickly becoming the new James Inhofe....