What many conservatives regard as the nightmare scenario -- President Hillary Rodham Clinton -- is increasingly seen by veteran Republican politicians and strategists as a virtual inevitability. In GOP circles, the Democratic front-runner is seen as so strong, and the political climate for Republicans so hostile, that many influential voices -- including current and former lawmakers, and veterans of President Bush's campaigns -- have grown despairing. These partisans describe a political equivalent of the stages of grief, starting with denial, then resentment and ending with acceptance. For now, these Republicans say the party needs good luck, including a change of...