Guardian: Paddy Power is paying out more than £10,000 to customers who bet that Tony Hayward would step down as BP’s chief executive by the end of this year, even though he is still running the company. The Irish betting firm closed its book after seeing a surge of wagers on Hayward’s imminent departure over the last few days. It believes he is now certain to quit BP before the end of December, even if the company is successful in permanently capping the oil leak in the Gulf of …