The Early Line: Diageo/Hotline Tracking Poll

Obama/Biden 48%
McCain/Palin 42%
Undec 8%

- Obama/Biden's 6% lead is their largest in the Diageo/Hotline tracking poll yet.

- Obama/Biden are moving ahead among white women. The Dems now hold a 1% edge, 46-45%; in the poll completed one week earlier (on 9/16), McCain/Palin led 53-37%.

- Among the 56% of RVs who say the economy is their #1 issue, Obama/Biden are up 51-39%. Last week they led the group, which at the time only represented two-fifths of RVs, 49-40%. Among all RVs, 45% say Obama can best handle the economy, while 39% say McCain; Obama held just a 1% lead the previous two surveys.

Today's poll, conducted 9/21-23 by FD, surveyed 903 RVs and has a margin of error of +/- 3.3%.

Look for full results in today's Latest Edition, and checkout Keys To The White House at anytime to see how Obama and McCain are doing among key demographic groups.