US embassy cables released yesterday by Wikileaks describe al-Jazeera as ‘a useful tool for the station's political masters’ and claim that the channel altered its output to suit the interests of Qatar’s foreign policy. These allegations, which al-Jazeera has denied, are neither new nor surprising, even if they’ve never come from such an authoritative source before. A confidential cable sent from the US Embassy in Doha to Washington in February this year quotes a conversation between the Qatari prime minister, Hamad bin Jassim (HBJ) al-Thani, and US senator John Kerry, in which HBJ says that he told the Egyptian president, Hosni Mubarak, that Qatar would stop al-Jazeera broadcasting if Cairo would change its position on Israel-Palestinian negotiations: