Clinton urges supporters to ignore dire predictions

Obama's campaign did not respond to the comments, which generated buzz in the liberal blogosphere.

On Thursday, Clinton was campaigning from West Virginia to Oregon, redoubling her efforts to curtail Obama's momentum, as her once-powerful candidacy stumbles amid financial woes and defections by supporters.

She has repeatedly vowed not to drop out before June. But as the race drags on, fears mount that it could affect party unity, costing Democrats their best chance to reclaim the White House after almost eight years of Republican leadership.