Herman Cain has opened up a 20 percentage point lead among likely Republican primary voters in the race for the Presidential nomination, and also holds a narrow lead among all likely voters over President Barack Obama.
Cains share of the GOP primary has jumped 10 percentage points since Sept. 26 and is now at 38%. Mitt Romney is second with 18%, followed by both Rick Perry and Ron Paul, at 12% each.
The Oct. 3-5 IBOPE Zogby interactive poll also matches Cain, Romney and Perry against Obama. Cain led Obama, 46%-44%, while Obama is one-point ahead of Romney, 41%-40%, and leads Perry, 45%-40%.