(timesonline) - A surging Barack Obama has wiped out Hillary Clinton's once substantial poll lead in the race for the Democratic nomination and is now in a virtual tie nationally with the former first lady, according to a poll released today.

Though Mrs Clinton has regained some momentum since her surprise win in last week's New Hampshire primary, her comeback has failed to halt Mr Obama's rise in the polls on the back of his sweeping victory in the Iowa caucus on January 3. Read More