as ted koppel told viewers, quote, the record shows in this instance, doctor sagan was wrong and dr. singer was right. before going on accuse al gore of, quote, resulting to political means to acleaver what should ultimately be resolved on a purely scientific basis. which blings me to what the historian, peter gay, wrote in this book on what the call thursday science of freedom. this most important science that there is. the enlighted ended disspots believed they knew more than the people they governed. the ruler must have a perfectly obedient bureaucracy, and illinois limited authority to translate this programs into law. die need to say that this is what the climate industrial complex demands of the united states? a form of government americans rejected in 1776 in favor of the truths in the declaration of independence. america's uniqueness lies not in the fact of its independence but that it became independent to create something without precedent. government dedicated to the principle of liberty. the demand of the climate industrial complex and the preservation of liberty are inco

carl sagan wanted to come up with a way of traveling quickly through space, and this led to the movie and "interstellar." so in the '50s, wheeler had another brilliant student, hugh everett, who questions another aspect of quantum physics on a fundamental level. when you take a measurement in quantum physics, the observer affects the measurement, because as soon as the observation is taken if there are two different possibilities, the system is said to collapse into one of the two possibilities. and hugh everett thought that was ridiculous. how could a human observer affect the quantum measurement? and this may have been inspired by a talk einstein gave to everett and others where he joked that, well, if a human can macon observation -- make an observation, why not a mouse? and everett thought deeply about this. and when he visited princeton, he brought this up, but boor wouldn't hear of it. he thought the theory works, why tamper with it. well, everett came up with an idea that instead of involving the observer when you take a measurement, the universe would split into one of the two

the classrooms while the attack was under way a warning the following pictures contain upsetting sagan's. part. one of the shots rang out inside the school panicking students were seen running to safety this video was taken while the gunman was still at large it's understood the killer set off a fire alarm to draw people out into the open to cause as many casualties as possible armed officers rapidly swarmed the campus before leading pupils and staff to safety. thank you very. much the same way we spoke to police in l.a. nick one of the students in the school at the time of the shooting. world. like about to leave school because of those ten years before the bell rang supposed to ring. but the final lot of and we're starting to look out but down right the school. and high because it's not a fire drill it goes all grab and it's first like everybody still thought it's going to feel like they grow that they do in the schools but then we just here are the people second talking about life. is short you know like in the next village and. i'm still lost on holidays you got killed and this is se

. >> sagan into the neighborhoods come into the communities, and they stop something before they -- they get into the neighborhoods and communities and stop something before happens. we don't have that kind of effectiveness in the united states. remember san bernardino. people knew he was upset, did not know who they should call, if they should call, if it would be racially insensitive to call. a bunch of people died and two people were injured because no one thought they should intervene. so in addition to the threat itself is developing a better deterring program. my oversight in tsa had i think 2000 hearings on my committee. in those hearings, it became there to us and my colleagues know this as well from our situated forngs, taking on airlines. so is al qaeda. they are absolutely fixated on it. aey had a bomb concealed in laptop and the only thing that got sucked out was a guy who detonated the bomb so good for him, but it is a threat. and the concerns and reports we're getting is troubling. it is affected something about the size of this concealed in a laptop could take down a jet.

sagan? -- say again? >> [inaudible] towhat i am going to speak is to whether or not the executive privilege -- whatever that might be is appropriate and does in fact shield them from having to answer questions. i'm not -- that has yet to be determined. we have a lot of lawyers chewing on that now. >> [inaudible] >> i think you should answer questions. >> [inaudible] hadhe house counsel communications with the white house. i'm not aware of what those were. we were not involved. did not want committee negotiating with the white house over what mr. bannon may or may not answer. our house cancel have those conversations. >> [inaudible] >> we are all leaving town. it will be when we get back. >> [inaudible] i am not a lawyer. i am a cpa. i have to be careful with that. answers used to questions that were beyond the 25. the lawyers would need to tell you that. that privilege was used to not answer the other questions. >> [inaudible] >> that phrase was used. also the presidential communications privilege. >> [in