One of the great, recurring articles in media history about the art of cartooning is the feature on how cartoonists draw presidential candidates. This year may be the best one yet: of the six or seven major candidates, you have one that's just tough to draw (McCain), one that's tough to parody without coming across like a giant sexist (Clinton) and one whose charisma and high political upside makes it difficult to portray him as anything other than over-successful (Obama).
