In an interview for BBC Newsnight yesterday, George Osborne described the Sugar Tax as "certainly one of the things I'm proudest of" during his tenure as Chancellor. Considering he said in 2010 that the deficit would be eliminated during that Parliament (what went wrong there, George?), I suppose he has to grasp at straws.

But even Osborne danced around the question of whether or not the Sugar Tax would be effective. At one point he said it was one of ways to reduce obesity, not sounding sure if it would work or not. Later in the interview he said that in a year's time obesity levels will not be as high as they would have been if it had not been for the Sugar Tax. Even when they are former politicians they are still as slippery.