She's back. Molly Ivins, our most perceptive, outrageously funny political commentator, has given us an uproarious new book. In Nothin' But Good Times Ahead, Ivins proved that no one has a steadier gaze or a quicker trigger finger, as she hits the bull's-eye in such targets as George Bush, Bill Clinton, Camille Paglia, the Clarence Thomas hearings, and the ethics-twisting, English-slaughtering pols of her beloved Texas. Here's Molly The 1992 Republican "Many people did not care for Pat Buchanan's speech; it probably sounded better in the original German." Texas "Better than the zoo, better than the circus, rougher than football, and even more aesthetically satisfying than baseball." Gibber Lewis, former House Speaker of the Texas State "He once announced, 'This is unparalyzed in the state's history." Another "It could have bad ramifistations in the hilterlands."