HALPERIN'S TAKE: The Five Most Important People in American Politics Not Running for President

1. Tom Brokaw.
2. McCain debate macher Brett O'Donnell.
3. Whichever audience member asks the most challenging question to Obama.
4. Whoever is most involved in helping Brokaw screen the questions.
5. Politico's Roger Simon and Obama strategist David Axelrod (tie).
