brian thanks very much indeed for joining us brian weeden technical adviser for secure world foundation live from washington we appreciate your time you're welcome while there just to remind you or not to dot com we have live updates on the meteor strike including how some enterprising locals are already cashing in some are trying to sell parts of the crashed media online the most expensive being offered for ten thousand dollars but of course even if someone is willing to dip into their pocket for this there's no way to verify whether your buying a piece of meat or perhaps just a rusty old stone but of course jokes aside scientists say that meter was the largest recorded object to strike the earth in about a century we've got a few facts for you here it's estimated that the wait was about forty tons when it approached our planet before breaking up into smaller pieces now experts also say that when it exploded the meter released a huge amount of energy making the blast interesting enough even more powerful than the nuclear weapon tested by north korea just a few days ago and specialists

brian thanks very much indeed for joining us brian weeden technical adviser for secure world foundation live from washington we appreciate time you're welcome while there just to remind you or not to dot com we have live updates on the meteor strike including how some enterprising locals are already cashing in some are trying to sell parts of the crashed media online the most expensive being offered for ten thousand dollars but of course even if someone is willing to dip into their pocket for this there's no way to verify whether you're buying a piece of meat or perhaps just a rusty old stone but of course jokes aside scientists say that meter was the largest recorded object to strike the earth in about a century we've got a few facts for you here it's estimated that the weight was about forty tons when it approached our planet before breaking up into smaller pieces now experts also say that when it exploded the meter released a huge amount of energy making the blast interesting enough even more powerful than the nuclear weapon tested by north korea just a few days ago and specialists a

right through the roof hit her on the arm broken weeden who's the technical adviser for the secure world foundation explained to me earlier one of the potential danger posed shouldn't be underestimated. for an object that's that size it is estimated i think it eight to ten times and moving on the order of somewhere near twenty kilometers or thirty kilometers per second that's a lot of energy and so when that thing strikes the ground you're talking about a force not unlike a significant explosion so all of the kind of damage as you can think of from a huge explosion is the precise of the kind of damage that could have happened had in his truck in the middle of a city or any kind of populated area there are telescopes and networks operated by nasa in the u.s. and what's cosmos and russia and the european space agency others that are out there trying to detect and track asteroids but honestly there's a lot of responders the thousands and their biggest focus is on the really large ones ones that are hundreds of meters in diameter or kilometers in diameter that could potentially you know due to the os w

and wieden who's you to liberalism for the secure world foundation explain to me only one of the potential danger posed shouldn't be underestimated. for an object that's that size and it's estimated i think it eight to ten tons and moving on the order of somewhere near twenty kilometers or thirty kilometers per second that's a lot of energy and so when that thing strikes the ground you're talking about a force not unlike a significant explosion so all of the kind of damage as you can think of from a huge explosion is the precise of the kind of damage that could have out and hadn't hit struck in the middle of a city or any kind of populated area but there are telescopes and networks operated by nasa in the u.s. and what's cosmos and russia and the european space agency others that are out there trying to detect and track asteroids but honestly there's a lot of there's hundreds of thousands and their biggest focus is on the really large ones ones that are hundreds of meters in diameter or kilometers in diameter that could potentially you know due to the os what happened to the dinosaurs. an

foundation. major funding for this program is provided by the kendeda fund. >> chicago is now under full national security. >> a no-fly zone is in effect, except for the world leaders who are landing at o'hare, as president barack obama and a number of world leaders... >> hockenberry: it was a big weekend in chicago. last spring, the president was in town, along with the leaders of nato, to discuss threats to global security and nuclear proliferation. at a huge convention center, the eyes of the world were watching. >> ...that demands global solutions. we came to chicago... (police whistle blows) >> hockenberry: but across town in a small hotel ballroom, the te of the world was also on the agenda. >> everything will be revealed in the second term. >> hockenberry: the eyes of the world might have missed this gathering. >> get ready for your al gore snow job. >> hockenberry: the message here is that man-made global climate change is a myth, a hoax. this conference is an annual pilgrimage for the key skeptics. we came here to understand how they have made their views a mainstream fact of american politics. (applause) they think of themselves as rebels, up agai

foundation of cooperation. our neighbor to the north is also one of our most able, global partners. on issue after issue, whether cooperation with nato, to promote security, stability around the world, or our efforts to mitigate climate change to international climate negotiations, the major economies forum, the climate and clean air coalition, all our joint work to advance human rights to the osce and the organization of american states, in every one of these efforts, canada and united states are united for progress. we also discussed our common efforts on iran. the p5 plus 1 partners are unified, and we're committed to preventing iran from securing a nuclear weapon. we will continue our dual-track policy of both pressure and engagement. i want to underscore to iran -- the window for diplomacy is still open, and we have agreed to meet iran again in two weeks in kazakhstan. we have made our position clear. the choice is really ultimately up to iran. the international community is ready to respond if iran comes prepared to talk real substance and to address the concerns which could not be more clear about their nuclear program. if they do not, then they will choose to leave themselv