We throw the term "satire" around rather too generously these days. Satire is a high art, but it is becoming a stand-in term for making obvious fun of a popular target. Jay Leno's tepid sarcasms, or Jon Stewart's smirks -- especially when George Bush is their object -- are class-clown stuff. Satire is an intelligent and imaginative reframing of experience, with the intent of detonating, through laughter and scorn, the prejudices of complacency or consensus. It's a free upgrade when making simple fun of someone passes as satire. Could anything be more obvious or safe than mocking George Bush? He's...