Unconvincing Tony Blair tribute act Sir Keir Starmer has launched a new Labour style pledge card with his six promises to the nation. Of course, a promise from our esteemed leader of the opposition is about as valuable as a Taiwanese Rolex that you bought in a market in Taipei after an afternoon drinking rice wine, which didn't seem that strong when you originally tasted it. It's good that Starmer has done this new pledge card, because when he l…