National Polling, 3 Weeks Out

Although it's the state-by-state polls we need to keep our eye on, the overall national numbers are looking mighty nice for the Democratic ticket:

Democracy Corps:
Obama 50%
McCain 40%

DailyKos/Research 2000:
Obama 52%
McCain 41%

Gallup:
Obama 51%
McCain 42%

Zogby:
Obama 49%
McCain 43%

Rasmussen:
Obama 50%
McCain 45%