WASHINGTON As far as many Democrats are concerned, the "vast right-wing conspiracy" that pursued President Bill Clinton did not close up shop after he left office. Impeachment. The Florida recount. The California recall. Redistricting in Texas. Some of President Bush's critics say they see a pattern of Republicans using courts, legislative power and other maneuvers to overturn election results. "An attack on American democracy" is the allegation lodged by former Vermont Gov. Howard Dean, a presidential contender who met with Texas Senate Democrats during their recent sojourn to New Mexico. The only pattern is paranoia, Republicans counter, arguing that Democrats...