s wedding. >> one word, no. >> still ahead. michael j. fox is beating the odd. a rare interview of how he's beating parkinson. >> i needed to get some male presence in the house quickly. >> "e.t."'s on the action pack set of fate of the furious, from new york, to iceland, to cuba how the movie is making history around the world. >> closed captioning provided by -- (laughs) come on! dogs just won't quit. neither does frontline gold. its triple action formula is relentless at killing fleas and ticks for a full 30 days. good boy. go for the gold. >>> scarlett johansson stuns in a sexy sequin ground. hit the red carpet in a custom made balmain number, ghost in the shell and her dress had us doing a double take. paris jackson wore a similar style at this year's gram my's. >> in the film scar-jo kicks butt and in real life she's been taking self-defense classes. >> my trainer is like, i'm this kind of young and clumsy sort of block of wood he has to carve something out of. >> and she maybe newly single with scarlett didn't walk the carpet alone. >> that's my brother. not really my date. he wanted a free ride over

you think back to the drugs that were available in the 1940's, they were available for infections, depression, ulcers, blood pressure, parkinson's. there was almost nothing. you could see a tv ad in ca patient in front -- and see a patient in black and white. he would turn and it was bare. today, that is not the situation. we have incredible medicines that have turned like hiv into a chronic condition. slow progression for rheumatoid arthritis, cured disease which is pepsi, helped test which is pepsi -- provided treatment for painful ulcers and gerd. if you have gerd which is reflux, it makes your life miserable. it is not a trivial thing to be able take a bill -- to be able to take a pill once a day. cancer, we are developing new immunotherapies that harness the natural abilities of the bodies immune system to recognize and fight cancer, along with the other amazing discoveries we have made with small molecules and chemotherapy -- and chemotherapy. in 2014 and 2015, over 40 new medicines were approved by the fda. many were for an array of diseases where there was no good treatment available. the pipeline across the pharmaceutic

s they pick their objectives and the information space. >> in another case a leaked e-mail from hillary clinton's campaign in which she asked a question about a treatment for parkinson's was spun in auto a fake story alleging she was sick triggering allegations and chatter that she had the disease. researchers say the story was shared and reposted by pro-russian cites and read 8 million times. of how russia was trying to throw last year's election. >> how easy it is for them to spread bogus stories? >> once they build an audience with their accounts it's very easy to do that, just throw amplification. any time you have the ability to promote stories, hundreds or thousands of times then that puts it into trending feeds. once it's in a trending feed it takes on a life of its own. >> experts who research russia's campaign explain how putin's government uses an army of trolls, online critics who push their agendas to confuse and frighten audiences in the west an idea that played out dramatically on the show time series homeland. a troll factory where hundreds of employees toil away. >> iraq bob, that's me. navy wife. that's me too. >> they're marching orders. post phoney