US voters are more socially liberal and increasingly concerned with "fairness", rather than simply "freedom".
Obama's press secretary on the first presidential debate.
Worsening jobs figures, Romney's ad blitz and low approval ratings are reasons for Obama not to be complacent.
Like the Democrats in 2004, the Republicans have over-estimated their instinctive appeal to voters.
US president opens up a five-point lead over Romney in latest national poll.
The first in a series of campaign reports from Hicksville, Ohio.