David Henderson's letter in the FT yesterday has prompted a couple of responses.
Bob Ward seems to admit that there is a problem with a lack of openness, but maintains that the temperature records are sufficiently rigorous. It seems to me that it is quite clear that the temperature records are not sufficiently rigorous because, as everyone agrees (I think), the surface stations do not meet the standards set for them. Whether the result is affected is another, as yet undecided, question, but "sufficiently rigorous" they most certainly are not.
Mike Post meanwhile thinks that FT readers should get hold of a copy of the Hockey Stick Illusion, an idea which to me seems to be very sound advice.