pages and on twitter at ajconsiderthis, we'll see you next time. >> >> president obama issues an ultimatum to afghan president hamid karzai - sign an agreement or u.s. troops will leave the country by the end of the year. >> i'm not from east, i'm not from west. imukraine. >> uniting a divided nation - a major city where ukraine's revolution is not welcomed by the soviet generation. >> plus, peril for the produce industry. why some healthy snacks may become forbidden fruit. >> at least the parents from young children are hearing the

messages and stopping these things before they are a problem. >> it's heralded as a breakthrough in childhood obesity. signs that all the warnings are being taken to heart. >> hi there, everyone. good to have you with us. welcome to al jazeera america. i'm thomas drayton. president obama's patience with afghanistan is wearing thing. after months of negotiations, the president issued an ultimatum on tuesday. he told afghan president hamid karzai - sign the deal or the u.s. is pulling all u.s. troops from afghanistan by the end of the year. as patty culhane shows, it creates a showdown with potentially huge consequences for both countries. >> u.s. president obama left the negotiating with afghanistan's president hamid karzai to his

staff. after nine months of silence, he picked up the phone on tuesday to send him a personal warning. he was told that while the u.s. wants to stay in afghanistan after 2014, they have given up hope that hamid karzai will sign an agreement. more than 12 years after the invasion, the u.s. started to plan for the zero option, a withdrawal, warning that there'll be consequences the longer he delays. >> the further we go without a signed dsa, any mission will be necessarily limited in scale and ambitious because of the requirements of planning for that troop presence. >> analyst mark jacobson says it could mean 3,000 troops stay, mainly to conduct drone operations. >> it's counterterrorism,

enabling you to operate drones, some asemblance of working with afghan special forces as well. that's about it. >> that is hamid karzai's trump card. if the u.s. continues drone air strikes, u.s. troops have to be in afghanistan. if the president was to decide on the zero option, he would get push back from the military, members of congress who fear what would happen to afghanistan. the american public will probably be more forgiving. 66% of those asked in a poll believe the war in afghanistan was not worth fighting. they would be happy to see the aid kept in the u.s. that's the trump card. it's not a question of if the afghan forces can take on the taliban and win, but can the government pay them to stay in the fight. >> at least 60 teenage boys have been killed at a boarding school

in nigeria. fighters from boko haram are believed to be responsibility. males and female ails were separated. the girls told to go home, the boys shot and stabbed to death. the school was burnt to the ground, most of the boys inside. schools have been attacked by boko haram in recent years. nigeria has designated the group a terrorist organization. >> the obama administration is looking at ways to revamp the telecommunications program. it may be scrapped. other options are being considered - phone companies storing the data and n.s.a. quing -- requesting records when needed, putting it with the fbi, or a third party with no keck connection to the government

tore telephone companies. >> governor breuer has a few days to decide whether to pass a bill allowing business owners to deny service to gay customers based on religious grounds. governor breuer is basing pressure at home and outside arizona. >> the opposition has been loud at the state capitol where protesters say the legislature made the state look bad. >> this bill is out of step with the people of arizona. >> opponents in the legislature described it as a trojan horse. >> this is discrimination under the guise of religious freedom. >> the bill written by the christian organization basically says a person can deny service based on a religious belief.

>> if he you were asked to serve a wedding on the sabbath, you wouldn't have to. if there was a photographer that was asked to celebrate a same-sex commitment ceremony, something they disagree with, they are not asked to do that. >> governor breuer wouldn't say which way she was leading. >> i don't have to make a decision until friday. >> many arizonans are asking whether it really represents what voters think. >> is that the state that denied a martin luther king holiday, wanted to kick out of the mexicans and deny gay people wedding cakes. >> if this becomes law the state will lose business, particularly tourism. one customer said he would cancel $10,000 worth of business if the bill becomes law.

>> that's a small example. some asked what would happen if football fans stayed home rather than come to super bowl at the stadium. >> scott has been printing signs for businesses declaring that they are open for business for everywhere. >> the bill passes you are open for business to anyone. if it's vetoed you are still open. >> support is crumb bling, even among legislators who voted for t. >> it's a vote we regret taking and we are trying to make it right. >> the damage to arizona's image may be done. >> a newspaper in uganda responded to strict laws against gays and lesbians by publishing a list of names on the front page. it printed a list of names of

the 200 top gays. some called it a witch-hunt. gay citizens are fearing the country in fear for their lives. >> on monday uganda's president signed a bill making homosexuality a crime. >> a connected killer, michael taylor, was found guilty of abducting, raping and murdering a kansas city teenager as she waited for a school bus 25 years ago. a last-minute appeal was refused. the lethal injection caused an inhumane and painful death. it used a cocktail not regulated by the f.d.a. there were no obvious signs of distress during the execution. >> in ukraine they are working on creating a new government after the removal of viktor

yanukovych. vitaly klitschko, opposition leader, announced he'll seek the presidency. >> parliament could vote for a new cabinet or prime minister. some in eastern ukraine, where russian ties are strong, are worried they'll be left out. >> nick schifrin reports from the russian border city, where the revolution is facing resistance. >> under the gaze of the man who founded the soviet union, ukraine's youth are playing an old game with new rules. this is a pro-russian city. the teenagers know that their team doesn't lead the government. there were rumours the lenin statue was coming down, as it did in half-a-dozen other states. they are ready to prevent that from happening. >> this is our history. nobody can destroy it.

>> 17-year-old max says his heart is with russia. he knows ukraine's future is with the west. he's not really against. >> even great britain, you know... >> the western dreams scare an older generation that grew up soviet. these women interrupted our conversation to give max a ribbing. >> were you worried what he was saying, is that why you approached us? that's exactly why. this woman called over max demanding he tell her what he told us. she was worried the younger generation owed to the soviet grandparents. >> do you think the people there are forgetting history? >> she agrees.

they have already forgotten, she says, but it's hard to forget when the monument to soviet soldiers is 70 feet tall. 65-year-old alexander brings his grandson to make sure he knows the history. in this family the presence matters as much as the past. we should regard the history, but we don't have to be tied to it and be its hostage. this is where this woman and her boyfriend comes in. she acknowledges ukraine needs new leadership, but the younger generation can bridge the divide. she has lived on both sides. >> i am ukraine. i'm not from east, i am not from west. i'm ukraine. i don't want to separate my

country. >> they agree on their history and heroes. >> they are honouring the people who died decades ago here. >> the town is deeply pro-russia, against what is happening in kiev, but they will stop short of advocating a separation. all they want to make sure is in the days, weeks and month, they are represented in the new government. >> we should add ukraine's parliament called on the international criminal court in the hague to prosecute the former viktor yanukovych. >> across the united states we are seeing a line of snow showers from montana, wyoming to the east.

we are looking at cold temperatures, windchills diving down to minus 40, and that is dangerous if you are out there. so we are going to see the temperatures staying low over the next five days. from minneapolis, 16 degrees will be high. as we go through the rest of the week, look at the minus temperatures. overnight lows minus 16, and that doesn't include low wind chills we see as well across the region, across the north-west there's a break in the rain for parts of washington, where we are seeing more rain, towards california. it will be a good thing. the drought situation is in effect across the region. temperatures are 62 degrees. we expect to see better conditions in terms of rain. rain on thursday. 53 degrees on friday, diving down 44 degrees as we go towards

the weekend. across california. we expect more rain over the next couple of days, wednesday, thursday, friday. how about 30-plus inches of snow, as well as the area that will see anywhere between 2-4 inches of rain. down southern california, friday, locally six inches of rain across the region. temperatures would be cooler with the rain. los angeles, you will not get into the 70s because of cloud. by sunday 66 degrees. if you are trailing to new orleans, we'll see the temperatures coming up. 73 degrees and sunny. >> it's a nice change. it was hailed the future of online commerce. it may be on the virtue of collapse. what happened to $350 million

worth of bitcoins. drought is not the only thing threatening america's fruit crops. what may take some of your healthy is that correct out the produce il. uncovering a real-life buried treasure, how one californian couple became million airs whilst walking their dog.

>> the harvest season or citrus fruits is looking more sour than sweet. there's a parasite that has been found in 10 states, from florida to california. in six states the disease costs the industry billions. our correspondent met with farmers concerned about their crops. >> with the sunrise comes a glass of arrange juice. citrus growers are worried there'll come a time they can't keep the orange juice flowing. each day this man walks through

his orange grow, pessimism grows, he's a third generation farmer. he sees dead or dying trees on the 5,000 acres. >> it's heart-breaking. it's like seeing someone you love sick. you come out, you're doing everything you know to do, but the trees are sick or dying. >> they are dessimating florida's industry. the rapidly spreading disease is killing trees. not only is there no cure, researchers have not found a way to control it. it's estimated that citrus greening affected 75% of all citrus trees, costing $4.5 billion, and 78,000 jobs. they are a few years old. without a cure or way to manage it is an existential threat. >> more than half the growers are small operations.

only large ones like the hunt brothers who have the resources to fight the disease will survive. >> at the citrus research and education center, researchers feel the panic and pain of the growers, and the pressure of time. each harvest yields fewer orange boxes, they know the can't afford to wait years. through cross breeding they grew trees that resist citrus greening. the research is in the experimental stage. growers do not want to weight. they want to by and plant these in their groves. >> it's indicative of the desperation that they will take a risk. there's not much choice. >> inside the packing plant it's too soon to know how many fewer

cartons of oranges will shift. what they don't know is if they can survive the plague so he can pass the business on to a fourth generation. >> a key online marketplace in the bitcoin exchange has shut down. they have disappeared from the internet with hundreds of millions of the currency. we have more on what this means for its future. >> at alex's nightclub, he takes credit cards and cash, but prefers bitcoin. >> our processing takes a couple of days to do it, with the bitcoin processing, we have a debit the next morning. >> it's traded online with virtually no regulation. it is managed through exchanges. the industry was turned on its head when the company stopped

trading. >> it's like a bank closing its doors without warning. >> if you log on to the website you'll see a statement shut down to protect the users. >> that did not satisfy some customers who travelled to the headquarters. >> at the time before it started. it was worth around 200,000. report say nearly 750,000 bitcoins were missing. this is raising concerns for regulators. state security commissions are watching this closely. they are warning that it is a high-risk investment. the disappearance has made the price of bitcoin more vulnerable. bitcoins lost two-thirds of their value. it is not all bad for bitcoin

ires much. i'm almost happy, bit copies are cheap. i can buy more up. >> with a dozen customers using currency, lip ten design is banking on bitcoin. >> an executive at another chain earlier this year was arrested on money laundering charges. >> a californian couple literally struck gold whilst walking their dog. they found treasure worth $10 million, they found gold quois dating from 1847 to 1894. they plan to sell them on amazon. >> he used to be a trash-talking 22-year-old. looking back on 50 years since the fight turning cashes clay into mohammad ali.

>> parents getting the message about childhood obesity. the promising results of a decade-long study.

♪ what is this place? where are we? this is where we bring together the fastest internet and the best in entertainment. we call it the x1 entertainment operating system. it looks like the future! we must have encountered a temporal vortex. further analytics are necessary. beam us up. ♪ that's my phone. hey. [ female announcer ] the x1 entertainment operating system, only from xfinity. tv and internet together like never before.

>> welcome back. 50 years ago a little known 22-year-old cassius clay shocked the boxing world, beating sonny liston, becoming the youngest heaviway wait champion. later he changed his name to muhammad ali, and became one the most celebrated athletes in history. >> his career was one of a kind. no one duplicated muhammad ali's combination of athletic skill, bravado and activism. he was the 20th century's most recognised athlete. it started 50 years ago. >> one of the most iconic athletes in history, cassius clay was cast as a mortal before his 1964 showdown against seemingly invisible sonny

liston. >> everyone assumed if he got in there with someone with more might he would be a blip in sport.. >> entering the title fight, he was 35 and 1, and one of the most intimidating boxers. despite a gold medal he was a 7-1 underdog. >> i gave him zero chance. i believed the 7:1 odds were an underlay. i believe it should have been 50:1. so did the rest of the world. >> nicknamed the louisville lip. muhammad ali was never afraid of voicing his opinion. he referred to sonny liston as a big ugly bear and wore a denim jacket with the words bear hunting. >> he drove up in his bus. it was marked cassius clay, up

to surf side. he yelled "big ugly bear, i'm going to tame the bear, give it to the zoo, he's too ugly to be champion." it was getting inside sonny liston's head. sonny liston charged across the ripping like a bull, and the mata door stopped him with a jab, another and another and moved away. he's half mata door. it's something to see. >> clay utilized his speed, footwork and fast hands in a stunning technical knockout. 43 writers picked sonny liston to win in a knockout. he said "i shocked the world." >> clay's bold personality was not confined to the ripping. after converting to islam, he

announced his name, muhammad ali. three years later muhammad ali began a different fight, refusing to be inducted into the military. >> if they want to put me in gaol for not going in the army, that's their role. i'll go to gaol. >> muhammad ali built one of the greatest legacies in the history of sport, a legacy whose foundation was built in miami 50 years ago. the gloves that ali used sold at auction for $836,500. muhammad ali turned 72 last month. >> he is the greatest. all right. getting kids to eat healthier has been a major goal for michelle obama. progress is being made. a c.b.c. report shows rates for

children 2-5 years old fell 42%. much of the reduction coming in the past 3-4 years. obesity went from 14% to over 8% between 2011 and 2012. obesity rates were unchanged overall. c.b.c. released a statement saying: elyn, food activist, praised the reports, singling out the "let's move" campaign and other programs. >> some of the initiatives that happen across the country to reduce childhood obesity are working. whether it's parents changing the way to buys food, from this report breastfeeding, the reduction of sugary drinks are

working, which is great news for the whole country. >> c d.c. report had bad news. older children made no progress with 18% of kids, 6 to 11, remaining obese. >> hi i'm lisa fletcher, and you are in stream. is hollywood stuck in a time warp? when you watch a movie, you barely know that america looks ago. ♪ the entertainment industry eagerly awaits vanity fair's annual hollywood