Barack Obama leads Hillary Clinton in national Democratic nomination preferences by a statistically significant 6-percentage point margin, 50% to 44%, according to Gallup Poll Daily tracking interviews from March 11-13.
but mccain is gaining:
Were the general election for president held "today," it appears either Democratic candidate would provide a stiff challenge against the presumptive Republican nominee, John McCain. Gallup Poll Daily tracking from March 9-13 finds registered voters split evenly in their preferences for the Republican and Democratic candidates, regardless of whether Obama or Clinton leads the Democratic ticket.
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Voters are equally divided at 45% in a hypothetical matchup between Obama and McCain. Given the choice of Clinton versus McCain, voters break evenly at 46%.
