Purnell, as we now know, has said he's quitting because Gordon Brown sucks, but that he doesn't want the leadership. This suggests he is an outrider for someone and the question you have to ask yourself is this. Where is Alan Johnson?
We've had former ministers telling the news that people must support Gordon. Miliband has issued a denial that he is set to resign. Yet the one man in the Cabinet we have silence from is Alan Johnson.
Mobile phone turned off is it?