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Orbiters now retired are reminders of both the past and the present. for two years since "atlantis" touched down at the kennedy space center, the u.s. has been without its own means to put astronauts in space. >> we call it a gap. not sure how long it's going to last. that's dependent upon these future commercial providers. >> reporter: commercial companies have taken over ferrying cargo to the international space station. but not people. that was supposed to happen by 2015. now the gap has widened. it's a very iffy 2017. target dates are etched in sand, not stone. not enough money from congre...

Have not put anyone in space. >> i don't know how long it's going to last. that depends on these future commercial providers. >> reporter: they have taken ov cargo to the space station but not people. that was supposed to happen in 2015. now the gap has widened. it's a very iffy 2017. target dates are etched in sand, not stone. not enough money from congress, nasa says, so astronauts fly on russian rockets. jones believes a new generation of space explorers will find their inspiration right here. >> a young person could come in here and say, i want to fly something like this, i want to help de...

What this economy would look like if it were not artificial. but there would be dire consequences if the fed decided to pull out of the economy. don't you think? >> you know, it's a great question. the question that conservatives have, how does the fed put that geneny back in the bottle? we know this lesson from history. it's not so easy to pull back. i agreed exactly with what mohammed said. there's a fundamental anxioety that maybe this economy is built on sand, not stone. and one of the reasons is because of easy money. i would also make the case that this enormous debt. a great nation can'...