o ushe talks to us exclusively bout what went wrong. reat.rowing threat. ork to stop the oil leak for torm is grounded as that storm gains strength and takes dead im at the gulf. >>> home grown terror. how did this how did this all-american boy next door become a radical ready he kill? inside the explosive growth of a new breed of hate. nd> second opinion. u undercover investigation finds that home genetic test results can be all over the map. if toctor examines whether their predictions about dna and disease can really be trusted. >>> and, power to the people. how popular websites have turned the political world upside down, and it's just beginning. our series, "social networking revolution." >>> good evening. president obama took seven lnutes out of his lunch hour today to tamp down a controversy rooted in one of america's ldest divisions, race. and one of its newest diversions. he reach viral videos racing over the about t. he reached out to the black federal worker who lost her job this week after talking about something that happened 24 years ago. it

it daily for twoo weeks, if you have severe hypertension, it moderately reduces your blood emperor ushl. that is the ingredient in the cocoa that helps keep our artery walls flexible. >> do we have to drink it? can we eat it? is there any reason drinking it is better? >> the study was on hot cocoa. we prefer to go with what the study did. but dark chocolate will have flavonols, as well. two cups of dark hot chocolate give you 450 milligrams. >> meantime, now we think that it's good for rheumatoid arthritis? >> this one the evidence is early based on animal studies. but green tea is so healthy and this is so exciting that we wanted to share it. rats that drank green tea for three weeks daily when they were injegted with a human form of rheumatoid arthritis they were less likely to develop the disease. and researchers believe that the antioxidants in the tea are bolstering immunity and helping our body defend us against rheumatoid arthritis. so if you have to manage this condition it's worth looking at green tea as a nutritional therapy. >> i'm so glad people like you are looking at the

justin was not ever discussed in terms of his rep talking to us, but also there is jessica simpson and ushsibly coming back, he had said last year that he wanted a clean slate and, you know, get a whole bunch of new judges. >> so what would you think about a randy jackson, j. lo, steven tyler of aerosmith trio of judges? how do you think that would do? >> i think that would be amazing. what a great way to start off a whole new era for the tenth season of the show. you have i think randy and j. lo would have an amazing chemistry, and then you have steven tyler, who throws the "x" factor. >> see if he can be like simon or not. we need a cutting-edge judges to carry it over. >> absolutely. >> anne marie, thanks so much. we appreciate it. >> thank you. >>> up next, food labels. activia is better than ever! hey, you guys. want to try activia's great new taste? today is your tasty lucky day! sure, why not? isn't this the yogurt that, you know... helps regulate your digestive system. ooh, i think i'll pass. no, no, no! trust me. it is beyond tasty. okay! mmm! wow! i can't believe it, i love it! m