BARACK OBAMA yesterday told David Cameron that his aggressive stance towards BP over the Gulf of Mexico oil disaster was not motivated by anti-British prejudice. The US president, whose grandfather was allegedly tortured by the British in colonial Kenya, has pointedly referred to the oil giant as “British Petroleum”, although it changed its name nine years ago. British politicians claimed he was exploiting BP’s origins to deflect attention from his failure to manage the crisis. After yesterday’s 30-minute telephone conversation, No 10 issued a carefully worded statement to defuse the growing transatlantic tensions. It stated: “President Obama said to the...