that's what's making news in america th m right now on "america this morning," obamacare on the line. the supreme court takes up the case today affecting health care for tens of millions of americans. the key arguments, plus, what we're learning about the new coronavirus vaccine. the allegation from the white house overnight and more good news, another treatment gets the green light. breaking overnight, transition trouble. >> this election is not over. >> president-elect joe biden is prevented from accessing key resources including full intelligence briefings as republicans remain defiant about the election results. what attorney general william barr is now telling prosecutors and why a justice department official is resigning in protest. deadly dispute. new questions after a husband admits killing his wife. why neighbors say they don't buy his claim of self-defense.

plus, diana duped? the new investigation into a famous interview princess diana gave. was she tricked into talking? the new tribble to trebek from "jeopardy" itself and four people who could become the show's next host. later, reaching new heights. the incredible feat that has one rock climber making history. good tuesday morning, everyone. we're following several stories breaking overnight concerning the transition of power in washington. >> attorney general william barr has now given prosecutors the authority to investigate claims of voter fraud. his move has prompted a top official at the justice department to resign. >> the other big story this morning, the future of obamacare at stake as the supreme court takes up a case today affecting millions of americans' health care. it all comes as a new

coronavirus vaccine and antibody treatment shows promise but daily hospitalizations just hit the highest level since july and president-elect biden is warning of a dark winter ahead. this morning, obamacare is hanging in the balance. as coronavirus cases surge across the country, the supreme court today will hear arguments on the affordable care act from the trump administration asking the justices to invalidate the entire law. >> it done me a lot of good and honestly i wouldn't have known where to turn or where to sign up for insurance. >> reporter: 21 million americans would lose health insurance nationwide if the law is struck down and protections for 54 million people with pre-existing conditions could also be eliminated. veronica valdez, a mother of five, is watching closely after enrolling in obamacare after she lost her job. >> having kids also you can't take the risk of not having insurance. >> reporter: the court upheld the affordable care act

in two previous cases but now there's a greater conservative majority on the bench after president trump appointed three justices. the law's challengers including 18 states led by texas are urging to rule that its individual mandate which requires all americans to get health insurance or pay a tax is unconstitutional. the trump administration has not revealed a replacement for the law if it's overturned. >> we have reached a very dangerous phase in the pandemic. >> reporter: the case comes as several states report their highest number of coronavirus indications. governors in new york, california and others are hinting at new restrictions. >> we have one last chance to stop a second wave. >> reporter: but some optimism this morning. pfizer has announced its vaccine appears to be 90% effective. if approved, pfizer expects to produce enough vaccines to cover 25 million people around the world with the first vaccines potentially available in mid-december and more could be on the way according to dr. anthony fauci. >> the other good news, wolf, that's important is that the type of vaccine that it is, an mrna vaccine that i

have discussed with you in the past, that's not the only company that has it, moderna has a vaccine very similar, if not identical to this. their results will be coming out soon. >> reporter: pfizer is dismissing claims that the company delayed the announcement. president trump tweeting that pfizer and the others would only announce a vaccine after the election because they didn't have the courage to do it before. >> we were not working with the election as a time line. we are going to follow the speed of science, so science spoke, and i was predicting that this would happen at the end of october. it happened a week later. >> reporter: in the meantime, dr. fauci is telling americans to hang on. >> help is on the way with a vaccine. we need to hang on, double down, and we can blunt these surges that we're seeing. it's possible to do, and we will be able to do it. we just need to do it, put the effort in and just hang in there. >> as for the obamacare arguments at the supreme court today a rule something not expected until june. president trump's housing

and urban development secretary ben carson is recovering after testing positive for covid. carson was among 400 guests at a white house party on election night. also this morning, trump adviser david bossie has tested positive. he's heading up the trump campaign's legal challenges to the election. now to the breaking news overnight concerning the transition. president trump is refusing to concede to joe biden, and now attorney general william barr is authorizing possible investigations into voter fraud, and that's prompted a top prosecutor to resign in protest. abc's alex presha joins us live from wilmington, delaware, with the latest. good morning, alex. >> reporter: mona, good morning. so that order from attorney general william barr changes how and when prosecutors can look into allegations of voter fraud and now the man who oversees voter crime at the department of justice is stepping down from his hole. this morning, a shake-up at the justice department. the head of election crimes resigning overnight after attorney general william barr

issued a new policy to u.s. attorneys telling them to pursue substantial allegations of voting and vote tabulation irregularities. investigations of voter fraud would typically begin after state certified results weeks after an election. the career official richard pilger writing, having familiarized myself with the new policy and its ramifications, i must regretly resign from the role of director of the elections crime branch and now president-elect joe biden's team is threatening legal action if the general services administration fails to formally recognize the election results. >> it's clear now, there's no mathematical path forward for trump, and we are obviously trying to get our job and get our jobs going here. we're not going to take any options off the table. >> reporter: traditionally the general services administration ascertains the winning candidate allowing them to access a variety of resources for the transition of power. the director of national intelligence says biden will not receive full intelligence briefings until that happens. but this morning, the head of

the agency appointed by trump in 2017 says she has not determined a winner is clear. >> i am the ranking democrat of the committee that has oversight over gsa. we're investigating what options we have. >> reporter: the recently fired secretary of defense is speaking out. president trump terminated mark esper yesterday months after the two disagreed on how to handle civil unrest. trump saying this about esper in august. >> mark yesper? did you call him yesper? oh, okay. some people call him yesper. >> reporter: esper has denied being a yes man. he said in a new interview if his replacement is a real yes man, then god help us. >> this election is not over. far from it. >> reporter: it comes as president trump along with some republicans remain defiant about the election results even though they presented no credible evidence of voter fraud. fox news even cut away from white house press secretary kayleigh mcenany after she accused democrats of welcoming illegal voting. >> whoa, i just think we have to be very clear she's

charging the other side as welcoming fraud and illegal voting. unless she has more details to back that up, i can't in good countenance continuing showing this. >> the director of the national counterterrorism center is now the acting secretary of defense taking over for mark esper. mona. >> alex, thank you. for the second time in three weeks, a houston police officer has been killed. colleagues escorted the body of sergeant shawn rios to the medical examiner last night. he was a 25-year veteran of the force and was killed during a shootout while driving to work. he was not in uniform. the killer was still on the loose overnight. time now for a look at your tuesday morning weather. south florida is drying out after widespread flooding from tropical storm eta. nearly 18 inches of rain fell in some areas near ft. lauderdale. this lamborghini was nearly submerged.

eta is expected to move north in the gulf of mexico for several days. meanwhile, expect rain today from the great lakes to the deep south. snow will fall west of the mississippi river. some areas could get 6 inches. your high temperatures today, 35 in minneapolis, but record highs are possible in chicago and detroit, 60s in l.a. and phoenix. coming up, the knock on the door leading to a special surprise for a woman turning 90 years old. but first when we come back was it self-defense? a colorado man says he was forced to kill his wife. why his neighbors say they're skeptical. plus, new details on who might be the next host of

back now with a fireball in the sky.

look at that. this green ball of flame was spotted south of oslo, norway, lighting things up. experts say it was a meteor 18 inches across and it weighed more than 200 pounds. in littleton, colorado, friends and neighbors of a woman shot and killed by her husband are demanding justice. scott smith claims his wife tried to attack him with a butcher knife and says he shot her in self-defense. people who knew kanokwan smith said they don't buy his story. no signs of struggle and no marks on her husband but he has not been charged in this case. >> she'll never be able to wrap her arms around her little girl again, and he shouldn't have that right. he shouldn't be out, and he shouldn't be free. >> scott smith recently filed for divorce. police say there is not enough evidence to charge him, but the investigation is active. we turn now to the passing of alex trebek and new speculation on who might replace him as the host of "jeopardy." here's abc's megan tevrizian. >> reporter: overnight a new

tribute to alex trebek coming from the show's executive producer. >> he loved this show and everything it stood for. >> reporter: the game show icon honored during the first episode after his death. >> he will forever be an inspiration for his constant desire to learn, his kindness, and for his love of his family. >> reporter: tributes pouring in from trebek's longtime friends. >> i loved him very much. i said, just remember, i love you, and he said, i love you too, petey. >> his best features were his wild sense of humor and his fabulous loyalty. >> and this morning fans of the show are looking ahead. >> upon your retirement, who would you like to see replace you? >> betty white. [ laughter ] >> reporter: several names already in the running for possible replacements include two names previously floated by trebek, hockey announcer alex faust and legal analyst laura kotey. the new york post also reporting abc's george stephanopoulos is

eyeing the job. this exchange with howard stern in may fueling speculation. >> i think it would be a lot of fun but i like what i'm doing too. >> reporter: but a source close to stephanopoulos denies he's pursuing the role. another possible successor "jeopardy" champ ken jennings who was recently named consulting producer. >> thank you for everything, alex. this is "jeopardy." >> reporter: "jeopardy" will air the final 35 episodes featuring trebek through christmas. alex trebek bravely talked about his battle with pancreatic cancer and since the news of his death, a lead pancreatic nonprofit organization has seen a 450% increase in web traffic and more than $55,000 in donations. kenneth, mona. >> our thanks to megan tevrizian. coming up what you should buy now as grocery stores begin limiting sales, once again. but first was princess diana tricked into giving one of her

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back here in the u.s., some grocery store chains are limiting the sales of certain items as coronavirus cases soar. kroger, giant and other operators are limiting the purchase of paper products, soap and wipes. it's all to prevent the shortages many customers experienced last spring. >> we think that there's going to be a lot of limits at retail level that will hopefully help mitigate that to earlier to allow the lack of stockpiling that we saw before. >> experts suggest buying nonperishable and frozen items now. united airlines is adding 1,400 domestic flights for thanksgiving week as more people start traveling for the holiday. the airline expects to see the biggest number of passengers since march. it's also bringing back food service. we've heard about the new coronavirus vaccine and overnight more good news. a new antibody treatment. also this morning, new cdc guidelines on thanksgiving. earlier i spoke with dr. shashank ravi about these headlines. let's begin with what appears to be a major victory in the battle

against the coronavirus. drugmaker pfizer announcing its vaccine is more than 90% effective. what do we need to know about this? >> well, it's definitely great news, mona, and bodes well for being able to get a vaccine out to society very soon. we need to look at more data to know how long will any immunity last for. we also need to look at the age ranges as we know that elderly individuals usually have less of an immune response. >> what do viewers need to know about that, for example, who will get it first, when will it be available and where? >> we do know it will take several months if not half a year to get a vaccine distributed across america. we also know that we likely won't be able to rely on a single manufacturer. many of these vaccines including the pfizer candidate required two doses, so we'll need to have a way of tracking individuals to make sure that they return for their second dose after about a month's time and that the supply is there so that they can actually get that second dose on

time. >> we also learned overnight that a new antibody treatment for covid has been approved. what are you hearing? >> so this is exciting because we really haven't had a treatment targeted at this population who are mostly well and aimed at making sure that they aren't getting sicker and aren't needing to be hospitalized. >> then lastly the cdc has released some new guidance on the thanksgiving holiday. you know we are just weeks away. what are the takeaways? >> we know that as the virus has definitely surged across many states, much of that spread has come from families, extended families mingling, and so we must all try to do what we must to stay apart, and if we have symptoms, don't interact with other individuals and really stay distant. >> our thanks to dr. ravi. coming up, celebrating 30 years of "home alone." also ahead, pandemic boredom inspires one dad to build an amusement park in his backyard. >> ooh. who've got their eczema under control.

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♪ time to check "the pulse" and we begin with a big birthday for a christmas classic. >> "home alone" is turning 30. that's right. it's been three decades since kevin mccallister took on the wet bandits and managed to pull off some of our favorite holiday high jinks. >> you guys give up, or are you thirsty for more? ♪ >> heads-up. >> the best. macaulay culkin recently went on twitter to remind fans of their age writing, want to feel old? i'm 40. >> yikes. next business is booming at a philadelphia landscaping company where rudy giuliani staged his latest news conference. >> four seasons total

landscaping is now selling t-shirts and stickers after the more famous four seasons luxury hotel corrected president trump's tweet making it clear that it was not hosting that news conference over the weekend. >> the new merchandise is printed with catchphrases like make america rake again and lawn and order. >> in philly they would call it jawn and order. look it up. big surprise thanks to some police officers in oregon. >> they wanted to wish a local woman a happy 90th birthday during this pandemic, so they stopped by her home. take a look. >> you have the right to have a happy 90th birthday. >> after that everyone sang "happy birthday" for 90-year-old shirley lasseter. the officers call lasseter an amazing young lady. finally a california man just earned father of the year honors. >> he kept busy during the pandemic and built a replica of disneyland matterhorn roller coaster in his backyard. it took four months to build. >> he is an architecture student and always wanted to build a ride, yeah, mission accomplished.

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look, let's not kid ourselves, this holiday is gonna feel different. but after the year we just had, what if less gives us more? time with loved ones. help for you, and the planet.

or simply a chance to kick back and relax, recharge, and refill. only you know what you need this holiday. and whatever it is, we can probably help. bubbles at this price? is this for real? oh, it's real... believe me. i mean this is upexpected. you would say... remarkable? absolutly. a remarkable deal. thanks. i get that all the time. wait... what?! ♪grocrey outlet jingle

building a better bay area for a safe and secure future, this is abc7 news. >> if we could just get past

this holiday, we'll be looking at the light at the end of the tunnel. now at 5:00, high concern over holiday travel and get togethers. coronavirus cases already spiking here in the bay area and across the country. their new recommendations for you and your family if you're planning to travel. president-elect joe biden already trying to reset the conversation over masks. his plans for today plus where president trump stands one week after election day. and affordable care act on the line. the case trying to strike down obama care heads to the supreme court today. the two major things that could happen to millions of americans if the court rules in favor of the trump administration. happening now, mike tells us where a freeze warning is in effect. >> good morning, everybody. it is tuesday, november 10th. >> thanks for being there with us. we'll start with mike to take a look at the chilly temperatures. hey, mike. >> hey, guys. yeah, we have that freeze warning, which means temperatures are going to be colder and for a longer durati