violently mauled by two chimps in south africa. ahead, the horrifying details of the attack. i m wolf blitzer. you re in the situation room. these numbers just coming in. let s go to the battle for the white house. a brand new cnn o.r.c. poll is just being released right now. take a look at just how tight the race is. among registered voters nationally, nationally. 49% say they are for president obama versus 46% for mitt romney. that s with a 2.5% samplining err error. despite the landmark ruling, there s been no change in the number for either candidate since the last poll that came out in may. look at this, when it comes to voters in the so-called battleground states, about 15 of them, the numbers aren t so close. let s go straight to cnn s joe johns. he s breaking the numbers for us. he s in des moines, iowa, right now. tell our viewers what we re seeing, joe. reporter: wolf, there s certainly a lot more to this than meets the eye. the main takeaway is mitt romney is r