Al Gore has made his sharpest attack yet on the George Bush presidency, describing the current US administration as "a renegade band of rightwing extremists". In an interview with the Guardian today, the former vice-president calls himself a "recovering politician", but launches into the political fray more explicitly than he has previously done during his high-profile campaigning on the threat of global warming. Denying that his politics have shifted to the left since he lost the court battle for the 2000 election, Mr Gore says: "If you have a renegade band of rightwing extremists who get hold of power, the...