"They have no evidence that the scientists are mistaken, or are misinterpreting."
The penultimate data used is the data set from East Anglia. The original data is not available. The data set is from a very limited pool. Both of these call the data itself into question. The hockey stick graph has been evaluated to determine it is just as likely that CO2 is following the increase in temp as the other way 'round.
Be advised I have never claimed the world was not warming. But there is also evidence that the world itself is cooling, has been for much of a decade.
So the question remains; What is really happening?