former hostage david jacobsen is a step closer to u.s. soil at this hour.freed sunday after 17 months of captivity in lebanon. >> because we're still negotiating for the other hostages, we're not going to say anything more about what process we went through to get mr. jacobsen out. >> the policy is that we don't negotiate with hostage-takers. we don't make deals. we don't pay ransom. reagan hammered on his staff to find a way to get those hostages out. >> today the story from middle east sources is that iran has helped the united states free a hostage from lebanon. >> ia bizarre tale worthy of a thriller, iran ns agency reports robert mcfarlane, president reagan's former national security adviser, recently made a secret visit to tehran. iran says mcfarlane came seeking help in freeing hostages led by pro-iranian groups in lebanon. >> i didn't believe the administration could be that's clumsy. it seemed so unlike all it stood for, all it claimed, all it promised. >> why not dispel the speculation by telling us exactly what happened, sir? >> in the name of go

borjan borjan michael petrasso will jacobsen. thanks for loading, sweetie. ...oh, burnt-on gravy?ta rinse that. nope. no way. nada. really? dish issues? throw it all in. new cascade platinum powers through... even burnt-on gravy. nice. cascade. >>> president trump attended the bastille day in paris. there was this very strange handshake that had some yank and pulls, it looked like president macron was trying to wrap it up. you're watching it in real time. it kept going and going morphing into a power collapse and roping in the first lady of france in a greeting that turned into a group hand holding session. you see that there. it lasted for 30 seconds. this is not edited at all. it keeps going. but it seems -- whew, done. we'll play it again. a little faster. ♪ ♪ creen... sunscreen would have been a very good decision. [laughs] ♪ whuuuuuat?rtgage offer from the bank today. you never just get one offer. go to lendingtree.com and shop multiple loan offers for free! free? yeah. could save thousands. you should probably buy me dinner. no. go to lendingtree.com for a new home loan or r

i'm christine jacobsen at a work in the library here at an have to report that we now subscribe to "jacobin." i was wondering if you could respond to a criticism that is a stroke limit of the socialist party in america, that, in fact, made a bernie sanders a few weeks early when he was here. and that is that the socialist party doesn't offer anything special to the black worker. and it seemed at a ticklish and what you think the socialist party is offering the black worker, kind of stops at expanding medicaid and addressing poverty, that was sort of bernie sanders platform. and so it's noticeable it stopped short of reparations. i wonder, you have to respond personally, but on behalf of the socialist party for whatever if you could maybe talk a little bit about that. >> the socialist party unfortunately split into three and then in the early 19 subject. on the vice chair of the democrat socialist america, which is now up to 20,000 members, one of the biggest things since the pre-christian speech communist party. -- khrushchev. often this particular language, they said nothing special to off

dana jacobsen shows us the digital horizon. >> reporter: what am i looking at here? the assembly line. it makes paper airplanes, solves the r urgsubix cube and helps a person with multiple sclerosis play chess. this is a brain controlled robot that could help humans think more and do less. >> one idea we kind of thought about was, well, can the robot help a human assemble ikea furniture or something like that. >> reporter: we'd all love that. in this lab, stefanie and andre are developing robots like baxter who learning from your mistakes, by reading your brain waves. >> i wear the mask, i look he, he did it wrong, and suddenly, something's transmitted to the robot? >> that's the idea. >> reporter: the researchers assure us they are not teaching robots to read our minds. >> we imagine a world with many robots. >> reporter: but the lab's director imagines the possibility of someday seeing man and machine work hand in hand. >> a machine would be able to read more radiology scans in a day than a physician sees in a lifetime, but the meachine will not have the creativity

dana dana jacobsen reports from the campus. >> reporter: m.i.t.test minds in technology today at the first ever tech crunch conference. the very latest in artificial intelligence and robs pound, four legged robot. meet cheetah 3. powered by a complex algorithm made of aluminum, this is one of a kind in the robot world. she uses less energy than a microwave, runs smoothly, and each of her joints can generate as much power as a sports car. the hope is one day cheetah will become the first ever robot first responder. cheetah can dance. >> yes. being able to move this smoothly wasn't possible before. >> reporter: inspired by the world's fastest land animal, cheetah 3 runs on a complex computer system, and is powered by customized electric motors. m.i.t. professor song bay kim and his team have been working on the cheetah for about seven years. >> when i first started, you know, pure ambition to build something like a cheetah that can run and turn fast. a lot of people told me, like, you're trying to do something science fiction. >> reporter: guided by