They are true skeptics because they look at what the evidence has to say. (realclimate.org)
True skeptics apply the same rigorous standards to all the information they encounter. (illconsidered.blogspot.ru)
Another might be my earlier «climate class» suggestion, where true skeptics are confronted with the same type of arguments that are regularly produced here at RealClimate and which fall into the general category of «plenty, but way too late», rather than the commonplace «too little and too late». (realclimate.org)