WASHINGTON--GOP presidential hopeful Rick Perry is dropping in the latest ABC News-Washington Post poll. Pizza mogul Herman Cain is rising. The slide of the Texas governor is to the benefit of former Massachusetts Gov. Mitt Romney. All this doesn't matter if New Jersey Gov. Chris Christie jumps in the 2012 primary field.
The next Republican presidential debate is Tuesday, Oct. 11 at 8 p.m. est, sponsored by Bloomberg News and the Washington Post.