Ground Game Not Closing Enthusiasm Gap for Democrats

Early voting's the new in thing, in case your preferred candidate embarrasses himself in the last week.

"9 points"

-- Mitt Romney's advantage over President Obama among those swing state residents who are "extremely likely" to vote, according the latest Politico/George Washington University Battleground Survey.

Democrats love early voting because having Election Month instead of Election Day gives them time to use money and manpower to offset the GOP's inherent advantage on voter turnout.

But is it worth more than 9 points this cycle?