that it needed to be that the gentleman who discovered it i guess was hiram bingham. >> he was a yaleturer who found it just about 100 years ago exactly and caused a little controversy because he later took full credit for finding machu picchu and left out the fact that there were three families of farmers living up growing tomatoes among the ruins when he got there. he came back a year later. >> jon: do native people count? >> that is part of the controversy. >> jon: and you decided to retrace bingham's path to machu picchu. >> yes. he did a famous expedition in 1911 on which he was looking for the lost city of the incas which was this legendary city that many believe that a group of inca nobles had run off to with all the treasures of the empire when pizarro arrived in 1532. >> jon: this was to escape the spanish and their takeover. >> the con quist to dores who arrived, exactly. he also got a hot tip that there might be cool ruins. >> jon: a hot tip on cool ruins. >> exactly. you haven't read "national geographic" in a while. >> jon: now this bingham was writing for "national geogr

the sea lions are building hiram's for themselves by gallery and together a group of cows they always try to keep the cows by their sides because if they leave they may not come back this is a last ditch battle for the males. bearing islanders well away from normal sea routes and fishing boats in the rain giants will completely secure. whales often enter the bay. the local see them and say look at the whales to each other with it's a common thing for the residents because whales migrate past the commander allan's . so it's very easy to observe them. dr olga philosophy and even fit i've been studying the behavior of whales for many years the scientists are in luck a rare species of beaked whale has approached barren island. they were first discovered off the shore of the commander right. in which it will take you they don't let people approach them and that is why we're in such a hurry if they come to the surface we have only got a couple of minutes to get a few pictures up close you know but even that's not always the case nobody knows anything about these species they always stick to

chapter five, talk to me about that since we just left off with hiram revels. >> guest: this is the chapter that concerned me most. i indicated earlier the most perilous moment in barack obama's candidacy was over his relationship with reverend wright and he had to extricate himself from that relationship. he gets a speech in which he distances himself but he doesn't cut off reverend wright and then reverend wright comes back on the scene and really puts -- >> host: at the national press club. i was there. >> guest: at the national press club and he puts the candidate on a hot spot, and makes it seem actually -- i thought this was data forever and write -- makes it seem as though the candidate, barack obama, wasn't being candid that he was simply saying things because he was seeking the white house, that he wasn't completely sincere in distancing himself. well, at that moment when reverend wright said that, candidate obama came back and said well, let me make things clear. i am now cutting off my relationship entirely but reverend wright and in fact he announce that he was resigning from th