Nagourney's Reasons Why It May Not Be Over
1. Not everyone who has recently registered as a Democrat may vote on Election Day.
2. The Democrats' improved voter turnout effort may still not work as effectively as the Republicans' effort.
3. The race may swing back to McCain under the "pendulum theory."
4. A national security event in the closing days could "shuffle the deck of cards."
5. Race.
6. The Ayers attack could end up sticking.
