COLUMBIA, South Carolina (Reuters) - Democrat Barack Obama expanded his lead on rival Hillary Clinton to 15 points heading into South Carolina's bitterly contested presidential primary, according to a Reuters/C-SPAN/Zogby poll released on Saturday.
links
- Obama has South Carolina lead; McCain up in Florida: poll (http://feeds.reuters.com/~r/Reuters/PoliticsNews/~ 3/223355589/idUSN2428418520080126)