Is You Wicked? By MAUREEN DOWD ames Baker, the former secretary of state who helped make two Bushes president, the first by sniping at Massachusetts, the second by snatching away Florida, is an extremely careful man. A dignified diplomat with a deep fear of ridicule, Mr. Baker always keeps his suit jacket and his public utterances buttoned. That is why I was dumbfounded one recent night to see him being interviewed on HBO by a hip-hop guy wearing fatigues, shades, a skullcap and bling-bling and talking like a British gangsta/Rasta rapper. The young man was asking a skeptical and increasingly...