dr. todd curtis, dr. curtis are you there? >> i can hear you. >> while we are speaking the govenor has arrived on the scene as well as police commissioner ray kelly. so, dollar dr. curtis to be cles very, very early on this very lengthy investigation. as you have been listening this morning the early witness accounts the train was going fast. the trains go fast. do we really know what that means right now? >> we don't. because how fast the train should be going in that particular section of the track will depend on several factors. and one of the factors that was mentioned a few minutes ago was the fact that the train was being not pull by a lyco mow l , it was pushed by a locomotive. it te depends on the procedure f the rail company. >> tell us what is different if it was pushed by a will h a loce rather than pulled. this has been a train that has been up-for-quite up for quites they have specific pro see procs for what kind of locomotion should be done for this kind of situation. given the passenger load and the number of ca

dr. curtis ang. >> they go through two chelation therapies, typically a five-day treatment. >> reporter: in october the zoo took in a record number of condors. 21 birds tested positive for toxic levels of lead. >> if they stopped taking them in and treating them for lead poisoning and providing additional food for them, that the condor would likely go instinct. >> reporter: kim delphino is the california director of defenders of wildlife. the agency cosponsored a bill to ban lead bullets in california. governor jerry brown signed it into law despite opposition. >> i have to applaud the governor. i believe he was under a lot of pressure from the national rifle association and national shooting foundation, advocatin s for the gun industry. >> reporter: at a website it states, there is substantial evidence that the groups behind the proposed ban have based their claims on faulty scientific studies. dr. curtis agn has seen the damage from lead pointing firsthand. >> the bullet fragments into thousands of pieces. this bird comes along, eats its meat and then all of a sudden has lead toxicity.

dr. curtis eng at the l.a. zoo has seen the damage from lead poisoning first hand. >> this is the fragmented lead that hit the animal. it fragments into thousands of pieces. this bird eats it and has lead to comes sglis city. >> back the refuge five birds are healthy enough to be released with hope that the ban on lead bullets will help the popular soar to greater heights. stephanie stanton, al jazeera, los angeles. >>> a huge controversy in the sports world has everything to do with sleeves. we'll explain. >>> also, lots of kids try to make a few bucks selling lemonade or juice. one 8-year-old made more than $3,000 and then gave it all away. many worry that the gains made in education will not stick in the future. aljazeera's jane ferguson takes us to a school in kandahar city that was long considered a success and is now facing closure. >> it's a place offering more than these girls know, a quality education in real tangible skills, a path away from positivity and early marriage and towards university and a c

dr. curtis rimmerman is a cardiologist at the cleveland clinic. >> i think these guidelines will have a lot of impact. what they're doing is they're actually issuing clear numbers as targets and also when to treat. >> reporter: the panel found when it came to heart attack or stroke in those over 60 there was no clear benefit to lowering the number to 140. >> keep in mind that giving blood pressure medication is not a benign process. so there can be some associated side effects with that. and there can be some negatives. >> reporter: the american heart association disagreed with the new guidelines and issued a response late today saying "we do not believe there is sufficient evidence provided to support this significant change in treatment." the a.h.a. and the american college of cardiology will be starting their own study but are not expected to issue guidelines for a few years. the committee emphasized these are guidelines and said doctors should still use their own judgment. scott, one doctor we spoke to said that in some cases the prescription for high blood pressure might not be medicat

dr. curtis ange. >> most of us stay with us about two weeks. >> reporter: in october the zoo took in a record tested positive for toxic levels of led. >> if they stopped taking them in treating them for led poisoning, and providing food for them, the condor would likely go extinct. >> reporter: this agency cosponsored a bill to ban led bullets in california. jerry brown recently signed the bill. >> i really do applaud the governor. i think he was under a lot of prefrom the advocates of the gun and ammunition industry. >> reporter: the nra declined a question for an interview, but on the website say they, quote . . . but the doctor at the l.a. zoo has seen the damage from led poisoning first hand. >> this is the fragments. itting from -- it fragments into thousands of pieces. >> reporter: stephanie stanton, al jazeera, los angeles. >>> now let's get all of the sport. >> the outafter can cricketer has called time on his career, it will be his 166th and final of a great career. he started back in 1995. few games the 38 year old has played could have equalled the drama that was seen in this serie

dr. curtis ang has seen the damage from lead poisoning firsthand. >> this is the fragment, the bullet fragments into millions of pieces. the bird comes along, eats this meet, and now has lead toxicity. >> five birds are released with the hope that the ban on lead bullets will let the condor board lead to record heights. >>> creating a safe haven for other talented artists. >>> look at that. you won't believe this rather unusual christmas tradition. hearing this i'm sure from patients. does big pharma impact the doctors in their decision to not offer alternatives to the pill here? >> i think that there is evidence that if you have interactions with pharmaceutical companies, it does impact -- and there's actually pretty good studies based -- that have looked at physician prescribing patterns and interactions with big pharma. i think one of the luxuries i have is i'm in academic medicine, and we have a policy that we don't interact with pharmaceutical companies. so i hope that gives me a better perspective. and i think a lot of these doctors aren't having these conversations with their patients be

on its website is says: it dr curtis aime has seen the damage. >> this is fragmented leg, hitting the animal. the bird eats the meet and has led toxicity. >> back at the refuge five birds are healthy enough to be released, with the hope that a ban on led bullets will help the condor population soar to greater heights. >> california is the first statement to pan the metal from hunter's shots and bullets. it was supported by most environmental organisations. >> here is what is making news in the financial markets in "business world." four trading days left in the year year, many stocks are expecting them to go high. the dow jones industrial average is at 16,358. >> market closed in europe. the nikkei hit a 6-year high. >> investors will be looking for good news on the job market. the labour department releases weekly jobless claims number. one analyst says the picture is improving. >> we have 7% unemployment in the united states. and in europe even in places like germany is 5.5 and switzerland 7. in terms of international advanced countries we are looking representative of a well-run co

curtis tweets that babies and children feel your anxiety. stay calm. they will be calm. >> that doesn't change, no matter how old they get. >>> we want to turn to senior medical contributor, drsonally. >> yeah. it's shocking to me that still we assume that every, single woman when they find out they're pregnant rejoices. we have to remember that that's not always the case. almost 50% of pregnancies in this country are unplanned. that doesn't mean they're undesired. but that just means when a woman finds out, they can be shocked. and it's not always the best news -- right. exactly. >> it's okay to feel the fear. >> that's right. and it takes nine months to grow that baby. it sometimes takes nine months or even a little longer to mentally and emotionally and psychologically come to terms with it. >> when you have a patient that comes in and says they're scared and uncomfortable, what's your advice? >> congratulations. that makes you a rational, real person. i say, it is scary. we have to take it step-by-step, day-by-day. people have to understand that if you're biologically that child's mother or not, there's a lot of parents that didn't give birth to that child. they can have