Did Gordon Brown have any credibility? It is a huge question, but it seems everything he does puts another dent in his credibility. The latest disaster is his video talking directly to voters telling them he was about to reform MP's expenses. But evidence is he just had not thought it through. The day rate was criticised as being similar to the European Parliament 'clock in and bugger off' payment system. There would still be a lack of transparency, there may still be systemic problems and the public would still be subject to a range of sleaze allegations. But more embarrassing directly for the prime minister is that he has been forced to retract a promise made directly to voters and broadcast online and across every news organisation. Is this his last grain of credibility that he threw away, or did he lose that months ago?