David Cameron has said in response to questions about whether his photo was airbrushed that "he hopes it wasn't". I don't think that he answered the question though.
He claims he was not responsibly for the photo so does not know about it. However, as leader of the Tory Party, surely he would know this or he would know who to ask ?
The fact is that if it had not been airbrushed, he would have answered immediately "no". As Stephen Glenn points out, the evidence of airbrushing does seem pretty clear. I'm sure I would know if a picture of me was airbrushed by the fact that that the photo would not accurately represent what I see in a mirror each morning. Is "Dave" saying he has no reflection ? Now that would make sense.