10/21/2008 National Rasmussen Reports Obama 50, McCain 46 Obama +4 National CNN Poll of Polls Obama 50, McCain 44 Obama +6 National Reuters/C-SPAN/Zogby Obama 50, McCain 42 Obama +8 National Gallup (Traditional) Obama 51, McCain 44 Obama +7 National Gallup (Expanded) Obama 52, McCain 42 Obama +10 National Gallup (Reg. Voters) Obama 52, McCain 41 Obama +11