As Bill Clinton's library is unveiled at a gala opening this week, one thing is certain: His messy legacy will be on full display. One alcove will be dedicated to impeachment, and organizers have promised not to sidestep even Monica Lewinsky or Paula Jones. The 58-year-old political superstar is expected to draw hundreds of thousands of visitors a year to his library. "Bill Clinton is a rock star," said Skip Rutherford, head of Clinton's nonprofit foundation that built the $165 million library. "He is Elvis." The William J. Clinton Presidential Center, a metaphorical "bridge to the 21st century" cantilevered out...