dr. jon lapook. thanks very much. >>> traditionally, a presidential phenomenon knee, presumptive or claimed lies low during the other party's convention, but there's nothing conventional about this campaign. >> my team in ohio wanted me to make sure you all know we are hiring. >> reporter: hillary clinton set up camp on the other end of ohio today, enlisting volunteers in cincinnati after addressing the naacp's national convention there. >> we actually have a recruiter ear tod here today. he's got a table set up in the hall. >> reporter: making clear trump's absence. >> of course he declined your invitation. >> reporter: he's the first republican nominee to turn the group down since 1996. >> let us not forget the first time donald trump was quoted in the "new york times" was in 1973. when the justice department went after his company for refusing to rent apartments to african-americans. >> reporter: trump is doing so poorly with black voters here in ohio that in a recent poll, he got 0% of them. and

dr. jon lapook in our los angeles newsroom tonight. jorng thank you. congress left for the summer vacation without funding america's zika defense. the obama administration had asked for $1.9 billion. republicans put up $1.1 billion, but the g.o.p. wouldn't allow money for one particular women's health provider in puerto rico that has ties to planned parenthood. democrats couldn't live with that. now, as predicted, the virus has vacation in september. in another important story tonight, north carolina's law requiring voters to show photo i.d. was thrown out by a federal court that said the law was designed to bar black americans from the polls. this is the third time this month that similar laws were struck down. the others in texas and wisconsin. here's jan crawford. >> reporter: the court called it the "most restrictive voting no saying the law's provisions, "target african american with almost surgical precision." attorney general loretta lynch was quick to hail the decision. >> as the court found, this law was passed with discriminatory intent. >> r

dr. jon lapook, cbs news. >> ninan: pokemon go is a summer craze.he players are running into real life trouble. and clearer skin. this is my body of proof that i can fight psoriatic arthritis with humira. humira works by targeting and helping to block a specific source of inflammation that contributes to both joint and skin symptoms. it's proven to help relieve pain, stop further joint damage, and clear skin in many adults. humira is the number #1 prescribed biologic for psoriatic arthritis. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened, as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas where certain fungal infections are common, and if you've had tb, hepatitis b, are prone to infections, or have flu-like symptoms or sores. don't start humira if you have an infection. want more proof? ask your rheum

dr. jon lapook, thanks very much. coming up next, clinton tries to steal her opponents thunder. or .targets and helps to block a specific source of inflammation that contributes to ra symptoms. doctors have been prescribing humira for over 13 years. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened, as have blood, liver and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas where certain fungal infections are common, and if you've had tb, hepatitis b, are prone to infections, or have flu-like symptoms or sores. don't start humira if you have an infection. ready for a new chapter? talk to your rheumatologist. this is humira at work. think fixing your windshield is a big hassle? not with safelite. this family needed their windshield replaced, but they're daughters heart was set on going to the zoo. so we said if you need safelite to come to the zoo we'll come to the

dr. jon lapook reports, they don't have to lose their voice. >> reporter: a.l.s.radually robbed michael hubner of arm and leg strength, but she's determined to preserve her voice. >> i've got my marching orders. i think that my collection of phrases finds the center bet the words and phrases i love, and the things i know i'm going to need to say. i need my eyebrows tweezed. >> reporter: before her speech becomes severely impaired, hubner has come to boston children's hospital to meet speech pathologist john costello. >> i love you guys. those are my two guys. >> reporter: he gives a.l.s. patients a voice recorder and tells them to think of phrases that reflect who they are. >> recording messages in your own voice is a huge way to not lose that self, to not give yourself up fully to the disease, when at every turn, the disease is taking. >> can you understand me okay? >> reporter: a.l.s. has also taken a lot from 42-year-old todd quinn. until four years ago, he was a home builder, an avid outdoorsman and a nature photographer. he was one of the first a.l.s. patient

dr. jon lapook. >> reporter: history has not been kind to mary todd lincoln.of our 16th president, she was a tempestuous, unpredictable force, and her son eventually had her committed. >> madam president, if you please. >> reporter: sally field's 2012 portrayal showed a fierce and sharp-tongued first lady. >> you think i'm ignorant of what you're up to, because you haven't discussed this scheme with me as you ought to have done. when have i ever been so easily bamboozled? >> this white area here is not her dress, it's her skin. >> reporter: but dr. john sotos, a physician and medical historian, says the famously fiery first lady was not only misunderstood, but misdiagnosed. sotos puts forth a new theory about mary todd lincoln-- her erratic behavior was caused by a condition called pernicious anemia. >> that impairs the body's ability to absorb vitamin b-12 from food efficiently. as a result, they become b-12 deficient eventually and that causes lots of problems in almost every organ in the body. >> reporter: it was a fatal illness until treatment was discover

dr. jon lapook about that coming up.ng's headlines from around the globe. >>> president obama's open letter to law enforcement officers and praised them in the wake of the police killings in baton rouge and dallas. president obama wrote every day, you confront danger so it does not find our families and carry burdens so they do not fall to us and courageously meet test after test to keep us safe. we have your backs. >> cbsnews.com reports on navy official charged yesterday at waving a gun at three young men. it was first reported by cbs news david martin. cbs news reports that ohannessian pointing a gun at men in front of his house last month. he is assistant secretary of the navy and he remains on leave. >>> los angeles times reports on a couple claiming their share of 1.6 billion powerball jackpot. they collected the lump sum of $328 million! they moved out of their modest home east of los angeles. >> within hours! >> without coming forward. the couple says virtually the money will go to a trust and to charities. >> i

dr. jon lapook has been covering zika for us from the initial epidemic in brazil. jon, tell me, what should people who live in florida be doing right now? >> reporter: well, the first thing, scott, is to try not to get bit by a mosquito. and that's things that you've been hearing about-- cover up, cover up by wearing long sleeves, long pants, go inside into air conditioning if you have it. make sure the screens are repaired. and use the insect but in addition what, communities can do is go door to door and make sure the free-standing water, things even in little capes of water can multiply-- that they get rid of that. and a community effort is really important, if there's an elderly person, we'll help them. and by doing that they can actually create not mosquito totally free zones, but making the likelihood of mosquitos really being present in large numbers is les. >> pelley: now, what about pregnant women? we know that zika is >> reporter: i think it is very reasonable to take precautions now anywhere where the mosquito is present. you don't have to wait for a loc

dr. jon lapook, cbs news, blairs town, new jersey. >> ninan: well, up next, a hiewskal that raises the curtainanxiety and depression. when i crave a smoke that's all i crave. that's where this comes in. only nicorette gum has patented dual-coated technology for great taste. plus nicorette gum gives you intense craving relief. and that helps put my craving in its place. that's why i only choose nicorette. when a moment turns romantic why pause to take a pill? or stop to find a bathroom? cialis for daily use is approved to treat both erectile dysfunction and the urinary symptoms of bph, like needing to go frequently, day or night. tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex. do not take cialis if you take nitrates for chest pain, or adempas for pulmonary hypertension, as it may cause an unsafe drop in blood pressure. do not drink alcohol in excess. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, get medical help right away for an erection

dr. jon lapook is in new york to what does it mean, jon?: this could ab big deal and the way it happened is not mosquitoes flying up from latin america to the united states. they only travel a half a mile their whole life. it is a person infected in brazil and coming to the united states and uninfected mosquito in the united states would bite that person and become infected and turn around and bite an uninfected person and now you have local transmission. >> isn't this exactly what the cdc was worried about, that this would then mean many more transmissions here in the united states? >> that is exactly right, norah. i should say that we have learned that sexual transmission has not been ruled out yet. so there is going to be some further testing that goes on in the next couple of days and it's expected by friday that possibility will be established . >> what do they say to pregnant women? >> you go to cdc website and there is specific advice that is changing a little bit it seems like every few weeks. basically, it's to cover up, make sure

dr. jon lapook, dr.a narula, thank you very much. >>> rejected legalizing marijuana before and they're trying again. this time they may succeed. what it may mean ahead. you're watching "cbs this morning saturday." around here, i'm lucky to get without a disaster. my bargain detergent, it couldn't keep up it was mostly water. so i switched to tide pods. they're super concentrated... so i get a better clean. i mean i give away water for free... i'm not about to pay for it in my detergent. voted 2016 product of the year if it's got to be clean, it's got to be tide. is caringing because covering heals faster. for a bandage that moves with you and stays on all day, cover with a band-aid brand flexible fabric adhesive bandage. or building the best houses in town. or becoming the next highly-unlikely dotcom superstar. helping with the questions you need answered to get your brand new busines