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Will bind to these abnormal proteins that we see in cte. so if you have them in your brain, it can diagnose this in a living person. >> reporter: nurn julian bails, former physician for pittsburgh steelers is part of the team that devised this brain scan. he acknowledges it is too early to tell if the test is reliable, sample size is too small and results need to be peer reviewed. it is believed cte played a role in the death of former players dave duerson, junior sao and others. allen schwartz ...

12-year hall of fame career or during his four seasons in college, but hes one of nine former nfl players who have had a new brain scan that may help identify chronic traumatic encephalopathy or cte, a brain disease caused by head trauma linked to dementia and depression. dorsett says hes tested positive for symptoms consistent with cte. previously, the only way to find out if someone had cte was after their death, with an autopsy on the brain. now -- >> this test involves a tracer which is inje...

Other videos and "the star" has been reporting this and then the chief of police dropped a bombshell and that they had a video. weve always heard about other videos. the police of chief says that there is another video. a lot more stuff probably will be coming out in the next month or so. >> and does he still have a lot of support? >> yeah, there was a poll that came out shortly after, a lot of people have been criticizing that poll, question the sample size taken on halloween suggesting the app...

A lot more stuff probably will be coming out in the next month or so. >> and does he still have a lot of support? >> yeah, there was a poll that came out shortly after, a lot of people have been criticizing that poll, question the sample size taken on halloween suggesting the approval rating went up. hes a populous conservative mayor, hes got the george bush term, sitting and hes not going to judge you and not arrogant. they call it ford nation, canadas version of the tea party. we dont know exa...

Specifically the new "wall street journal" nbc news poll is skewed and secretly, people actually love the government shutdown. you heard him say that the new nbc polls which says americans overwhelmingly blame republicans for the shutdown and hate it, he says the poll cannot be trusted because 20% of the people polled were government employees and according to him, quote, 20% of the people of this country are not government employees. actually, they are. about 20% of the country is employeed by ...

Ted cruz of texas, one of the architects of the shutdown, telling casey hunt today that the polls are skewed. specifically the new "wall street journal" nbc news poll is skewed and secretly, people actually love the government shutdown. you heard him say that the new nbc polls which says americans overwhelmingly blame republicans for the shutdown and hate it, he says the poll cannot be trusted because 20% of the people polled were government employees and according to him, quote, 20% of the peop...

States and the white house and democrats are trying to hurt people to make a point, to make you guys look stupid? >> i believe so, simply because if you go back a couple hundred years, thats pretty big sample size and you find never before in the history of our nation have things like the lincoln memorial been closed or this dustup at mount rushmore in south dakota or take this, back home in charleston, south carolina, there is a landing about 30 miles north of charleston called buck hall. its o...

Instances he spoke as an african-american man. he makes so many efforts to speak ju as the president. at this point he thought it was important for white america to understand why the reaction from black america is so lead. regardless whether or not hes african-american, you have to lead. because you are the leader of the free world. youre the leader of all of us. even though it may not be comfortable or expedient, every single president, whether its 9/11 or whatever the case may be, has to lead...

African-americans are targeted. >> the newspaper points out 200 people not enough of a sample size to draw any conclusion about racial discrimination. they also say that they are continuing to do their study and now that they moved into 2013 they have added another 35 cases. they are up to 235. that is still way, way small. just put it in perspective. in 2011 alone in florida there were 958 murders. and there were 13,000 aggravated assaults using a firearm. so 200 cases of stand your ground is a...

Some parts of the conservative movement have said this is a problem in and among black america and we dont need to do anything about it. jason riley in the "wall street journal" says young black men will not change how they are perceived until they change how they became. >> there are too many in the white community who see violence in the black community and think thats their problem. he ultimately says its our problem. >> it depends whether you look at it systemically or not. problem with look...