In a new Survey USA poll released today... overall results show that " Democrat Barack Obama edges Republican John McCain, 51% to 45%".
"McCain holds 87% of the GOP base. Obama holds 91% of the Democrat base. Independents split. McCain holds 83% of Conservatives. Obama holds 86% of Liberals. But: Obama leads by 28 points among Moderates, and on that Virginia battlefield, the contest may be decided."