"He's superman at the moment - young, black, good-looking, progressive," says British cartoonist Andy Davey. So perhaps it's not surprising you have to look hard to find an unflattering cartoon of the new US president. With the end of his first 100 days in sight, the Political Cartoon Gallery in London is putting on an exhibition of original cartoons of Barack Obama. It charts his rise as an outside candidate for the Democratic Party nomination to his first few months in the White House. The founder of the gallery, Dr Tim Benson, says he's assembled more than 60 cartoons from...