corporate fund for "washington week" is provided by prudential. additional funding is provided by the annenberg foundation, the corporation for public broadcasting andy contributions to pbs stations from viewers like you. thank you. downgrading nonviolent drug crimes from felonies to misdemeanor. the debate over proposition 47. >> the world's most intelligent stethescope. >> 50 entrepreneurs get set to present inventions that could change everything from health care to education. >>> plus the tiny house movement growing larger. >> come on in and take a look at my house. ♪

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. this is pbs newshour weekend. >> sreenivasan: good evening. thanks for joining us. the head of the centers for disease control and prevention today offered new reassurances that ebola does not pose a great risk to americans. >> here in the u.s. i remain quite confident we will not have a widespread outbreak. we will stop it in its tracks, because we've got infection control in hospitals and public health that tracks and isolates people if they get symptoms. in africa the story is different. >> sreenivasan: the c.d.c. has investigated more than 100 ebola scares in 33 states in just the first four days of this month. meanwhile, an nbc news cameraman who was diagnosed with ebola in liberia last week is headed back to the u.s. ashoka mukpo will receive treatment at an omaha, nebraska hospital. in massachusetts, doctor richard sacra, who previously recovered fr

corporate fund for "washington week" is provided by prudential. additional funding is provided by the annenberg foundation, the corporation for public broadcasting andy contributions to pbs stations from viewers like you. thank you.

corporate funding for "washington week" is provided by the -- by prudential. additional funding is provided by the annenberg foundation, the corporation for public broadcasting and by contributions to pbs stations from viewers like you. thank you. >> . >>> next a special report on key election issues involving science. a look at hydraulic fracturing or fracking and why opponents want it banned. the drought and proposition 1 and how would the bond measure change california's bond measure and genetically engineered food. the technology behind it and debate on the labels on it. science at the ballot box. >>> good evening and welcome to science at the ballot box an election special produced by kqed newsroom and science series quest. i'm

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening, thanks for joining us. the white house is reportedly pressing governors to reverse course and not require doctors who treat ebola patients in africa to be quarantined. and today, one of the nation's top infectious disease experts, dr. anthony fauci, said the new policy adopted in new york, new jersey, illinois and florida could actually damage efforts to contain the disease. >> well, as a scientist and as a health person, if i were asked, i would not have recommended that. if you put everyone in one basket, even people who are clearly no threat, then we have the problem of the disincentive of the people that we need. lets not forget the best way to stop this epidemic and protect america is to stop it in africa, and you can really help stopping it in africa if we have our people our heroes the health care workers go there and h

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. u.s. health officials said today they have fielded inquiries about 100 suspected cases of ebola since the first case in the united states was confirmed in dallas, but that no new infections have been identified. this afternoon, officials from the centers for disease control raced to newark airport to meet a plane that had landed from brussels. two passengers believed to be from liberia became ill during the flight. later, health officials said the two apparently do not have ebola. another similar scare was reported in west florida today. and those two suspected cases in the washington, d.c., area turned out not to be ebola, either. but thomas eric duncan, the liberian man who on thursday became the first person in the u.s. with ebola, today was downgraded from serious to critical condition. joining us no

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. a major development today in the ebola scare. a dallas hospital employee, believed to be a nurse, has contracted ebola after treating thomas duncan, the 42-year-old liberian man who days ago died of the disease. it's the first time ebola has been transmitted in the united states. during a news conference today, the head of the centers for disease control called the development "deeply concerning" and warned that other health care workers at the same hospital might also have been infected because of what he called a breach of protocol treating duncan. >> unfortunately it is possible that we will see additional cases of ebola. this is because the health care workers who cared for this individual may had have a breach of the same nature as the individual who appears to have a preliminary positive test. that

corporate funding for "washington week" is provided by the -- by prudential. additional funding is provided by the annenberg foundation, the corporation for public broadcasting and by contributions to pbs stations from viewers like you. thank you. >> every kind of bathing suit and every kind of store had big sunglasses. celebrities came there. they just hang out on the beach. the way they are interacting with each other and who they are, that stood out to me in so many of those pictures. >> when i came, i was camping. a lot of swimming and boating and canoeing. it definitely comes out on this show. when my family come, they don't think that much of it. my dad

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. the united states is taking new steps to try to stop the spread of the ebola virus. enhanced screenings of travelers from liberia, sierra leone and guinea went into effect today at j.f.k. international airport here in new york. the same measures will be implemented next week at dulles airport outside washington, d.c.; newark liberty international airport; chicago's o'hare and atlanta's hartsfield. nearly 95% of all travelers from those three african countries enter the united states through these airports. under the new protocol, travelers from those countries will be taken to a special screening area, where they will be interviewed and have their temperature taken with a non- contact thermometer. thomas duncan, the liberian man who died of ebola in dallas, only became ill several days after he arrived i

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. president obama today once again appealed for calm following the news that a new york doctor who treated ebola patients in africa has been hospitalized with the disease himself. >> we have to be guided by the facts, not fear. yesterday, new yorkers showed us the way. they did what they do every day-- jumping on buses, riding the subway, crowding into elevators, heading into work, gathering in parks. that spirit, that determination to carry on is part of what makes new york one of the greatest cities in the world. >> sreenivasan: in new jersey today, a 30-year-old nurse, who was quarantined after returning from africa, was determined today not to have ebola. even so, she'll remain in quarantine for another 20 days. late yesterday, new york's democratic governor andrew cuomo and new jersey's republican gov

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. during his weekly radio address today, president obama offered reassurances that ebola does not pose a major threat to the united states. >> what we're seeing now is not an 'ioutbreak' or an 'iepidemic' of ebola in america. we're a nation of more than 300 million people. to date, we've seen three cases of ebola diagnosed here. we have to keep this in perspective. as our public health experts point out, every year, thousands of americans die from the flu. >> sreenivasan: the president also answered critics who have demanded that he cut off all travel between the united states and the west african nations, where the disease has already claimed at least 4,000 lives. >> trying to seal off an entire region of the world, if that were even possible, could actually make the situation worse. it would make it hard

additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. secretary of defense chuck hagel has ordered the creation of an emergency response team in case additional ebola cases are discovered in the united states. a pentagon spokesman said the team of five infectious disease doctors, 20 critical care nurses and five experts on infectious- disease protocols would work alongside civilian health care workers. the team will be trained by army infectious disease experts starting next week. on the sunday talk shows today, the nation's top infectious disease doctor acknowledged that many smaller hospitals around the nation are not fully equipped to deal with any ebola people to think that any hospital, community hospital is totally equipped to care for the patient. they must be able to identify and isolate and then from there get them to a place where you have pre-tra

for a longer retirement. >> additional corporate funding for "washington week" is provided by brigham and women's hospital. additional funding is provided by the annenberg foundation. the corporation for public broadcasting. and by contributions to pbs stations from viewers like you. thank you. once again, live from washington, moderator gwen ifill. gwen: good evening. by any standards, this has been a remarkable week. one where in so many cases brand new questions and a few old ones beg to be answered. we begin tonight with a series of frankly shocking reports involving the united states secret service. most of what you've heard, reports of an armed fence jump who are made it into the white house, news that another man armed with a checkered past, armed and with a checkered past, joined the president on an elevator, came from stories broken by one reporter, carol loennig of "the washington post." but this is far from the first time carol has uncovered cracks within an institution we've always instinctively trusted. her reports ultimately led to this. >> over the last several days, we've seen recent and accumulating reports raising questions about the performance of the agency. and the president conclude

. >> this program was made possible by the corporation for public broadcasting. ontributions to your pbs station from viewers like you. thank you. >> woodruff: the u.s. centers for disease control issued new guidelines late today for dealing after two states, new york and new jersey, eased the quarantine rules they announced on friday. >> these kinds of policies need to be driven by science and the best scientific advice that is available. >> woodruff: the white house kept pressing states today not to force doctors and nurses into quarantine, if they've been in west africa. but already, new york governor andrew cuomo had backed off his initial policy, in a statement last night. >> a health care professional or a citizen returning to this region who had exposure to infected people, will be asked to remain in their homes for 21- day quarantine period. during those 21 days, health care workers will check on them twice a day to monitor their temperature. if they develop symptoms, they will be transferred to a hospital. >> woodruff: new jersey followed suit, agreeing t

. >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: major federal health agencies were called to account today for mistakes in handling ebola. lawmakers from both parties fired off criticism and questions, at a hearing in washington. >> people's lives are at stake, and the response so far has been unacceptable. >> ifill: growing anxiety over the prospect of ebola's spread in the u.s. brought a house committee back from campaigning and put the nation's top health officials on the firing line. michigan republican fred upton. >> we're going to hold your feet to the fire on getting the job done and getting it done right. both the u.s. and the global health community have so far failed to put in place an effective strategy fast enough to combat the current outbreak. >> ifill: the complaints were bi-partisan. democrat diana deguette of colorado. >> it would be an understatement to say that the response to the first u.s.-based patient with ebola has been misma

and by the corporation for public broadcasting. major support for frontliis provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation, dedicated to heightening public awareness of critical issues. the ford foundation, working with visionaries on the front lines of social change worldwide. at fordfoundation.org. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler, and additional support from bill and cile hicks. >> the iraqis had gathered around the statue and were throwing their shoes at it. >> what struck me was the iraqis couldn't pull it down themselves. >> it was obvious it wasn't going to happen. it would be a pretty anticlimactic moment if we didn't help. >> it was a dramatic moment. it was an american flag that went on it first. that's almost a metaphor for what's happened since. you know, then, ultimatel

and by the corporation for public broadcasting. major support for frontline is provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant, and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation, dedicated to heightening public awareness of critical issues. the ford foundation, working with visionaries on the front lines of social change worldwide. at fordfoundation.org. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. >> it's small town america. it's football games on friday nights. >> everybody gets along, everybody knows everybody. this is a nice country community. >> corsicana is a wonderful place to live, but every town has their bad people in it, and bad things happen in every town. so we're no different than anybody else. >> it was the 23rd of december. "the price is right" was on, that was what i was watching. two or three of the girls went out on the back

and by the corporation for public broadcasting. major support for frontliis provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation, dedicated to heightening public awareness of critical issues. the ford foundation, working with visionaries on the front lines of social change worldwide. at fordfoundation.org. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler, and additional support from millicent bell through the millicent and eugene bell foundation. >> the last american combat brigade has begun leaving the country. >> martin smith: it was late 2011 when american troops finally left iraq. >> for u.s. soldiers, the war in iraq has come to an end. >> smith: after eight long years, the war seemed like it was over. >> the last u.s. soldier is out of iraq. >> smith: iraq's leaders said they were ready to go it al

for its caption content and accuracy. visit ncicap.org] corporate funding for "washington week" is provided by -- already additional corporate funding for "washington week" provided by prudential. providedl funding is by the annenburg foundation. the corporation for public broadcasting and by stationsions to pbs from viewers like you. thank you. >>> next on kqed newsroom. with absentee voting under way in california, a look at the race for secretary of state, who is running and what's at stake. >>> and 20 years later, the legacy of a controversial ballot measure that targeted illegal immigration. >> the way prop 7 was written, it could have really torn apart families. >>> plus on its 29th anniversary, we'll remember the loma prieta earthquake and the world series it interrupted. >> it was beautiful indian summer weather, golden light as it started to get to the end of the day. it was a picture perfect, sort of enchanted setting.

for its caption content and accuracy. visit ncicap.org] corporate funding for "washington week" is provided by -- already additional corporate funding for "washington week" provided by prudential. providedl funding is by the annenburg foundation. the corporation for public broadcasting and by stationsions to pbs from viewers like you. thank you.

. >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: from president obama today, a new call for caution in the response to ebola. he urged states not to enforce policies that suggest the u.s. is "shying away" from the fight. the warning came as another dallas nurse was declared free of the deadly disease. >> woodruff: amber vinson was all smiles at atlanta's emory university hospital this morning. >> as a nurse, and now as someone who has experienced what it's like to be cared for through a life-threatening illness, i am so appreciative and grateful for your exceptional skill, warmth and care. >> woodruff: the 29-year-old vinson is the second of two dallas nurses to be cured of ebola. they caught the virus from thomas eric duncan, a liberian man who died at a texas hospital. dr. bruce ribner oversaw vinson's care at emory, but he concedes, there are still unanswered questions. >> we are not aware of the specific details of what occurred in the dallas

and by the corporation for public broadcasting. major support for frontliis provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation, dedicated to heightening public awareness of critical issues. the ford foundation, working with visionaries on the front lines of social change worldwide. at fordfoundation.org. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. >> david hoffman: for the past two years, i have been investigating the emergence and spread of nightmare bacteria-- superbugs that are increasingly resistant to even the strongest antibiotics. the bacteria are fighting back and they're defeating the drug. >> correct. >> hoffman: i'd been tracking the phenomenon through hospitals around the country, where doctors have been dealing with patients infected by these superbugs, which go by names like kpc and

. >> this program was made possible by the corporation for public broadcasting.ntributions to your pbs station from viewers like you. thank you. >> woodruff: the space industry suffered a new catastrophe today. a "virgin galactic" space tourism rocket crashed during a test flight in southern california. the co-pilot was killed, and thó pilot was badly injured. the wreckage of "spaceship two" landed in the mojave desert. witnesses described an explosion after the rocket was released from a plane that carries it to a high altitude. on tuesday, a rocket owned by another private company, orbital sciences, blew up just afterÑi lifting off from a launch site on virginia's atlantic coast. >> woodruff: people across northeastern pennsylvania were finally able to relax today, with news that a seven-week manhunt is over. the suspect in a shooting that terrorized the region was captured last night and appeared in court this morning. >> eric, are you sorry? are you sorry? >> woodruff: shouts from the crowd went unanswered as a battered-looking eric frein stood waiting after

the ongoing support of these institutions >> this program was made possible by the corporation for public broadcastingd by contributions to your pbs station from viewers like you. thank you. >> woodruff: the pakistani girl who was almost killed by the taliban is now the youngest nobel laureate ever. malala yousafzai won the nobel peace prize today, for advocating education for girls. she'll share the honor with kailash satyarthi of india, who's campaigned for decades against child slavery and labor. malala heard the news in birmingham, england, where she now lives. >> i felt more powerful and more courageous because this award is not just a piece of metal that you wear or an award that you keep in your room but this is really an encouragement for me room but encouragement to go forward and to believe in myself to know that there are people that are supporting me in this campaign. >> woodruff: we'll have a full report on the two peace prize winners, after the news summary. the number of ebola deaths has now passed 4,000, out of nearly 8,400 cases. that word today from the world health organization. mea