do you expect this report that the impeachment proceedings russia meddling will be part of the coersation at all? >> i think it will be part of the conversation. but i think it's going to small part. think by in large the candidateswould love to be coab ttinue to define differences between one another. we will have a interesting matchup when you have elizabeth warren and bernie sanders on the stey same debate stage that will pride clarity on the progressive side and we have sort of kamala hear apes joe biden 2. the opportunity for them maybe to talk about more issues from the 1970s. i don't know. but it's interesting to see w the twdebates in terms of tenor and tone. >> we have sn for colin kamala harris these are the opportunities she needs. she got a bump when she attacked joe biden. but ned a littlebit. what are you watching for in terms of her and that duo. n >> i tthat the fact that kamala hair apes jobide harris and joe biden have the repeat clash that's ing to be one most interesting dynamics of the debates. i am curious to see if kamala harris will comment joe biden ggressively. i

. >> you eavesdrop on ivate coersation >> yes >>nd now you' u upsett being asked do it - >> i don't objectbeing aed toollect information that coul hp prevena terror atta. what i object is being asked to gather intelligence to hel fix vote at e u.n. and deceive the world into going too war. fromthat was a clip "official secrets" coming out august 30 in theaters around the country. that is currently playing katharine gun, who is in her studio now, the whistleblower, former british spy, worked for british intelligence, explaining memo, whiched this would get to the press, which would get to the observer, which brings us to our next to guest, martin bright and ed vulliamy. martin, talk about how you got this memo. you actually at that point had never met katharine gun. >> it was a very and usual situation. we were handed a simple sheet of paper that had a series of words typed on it. usually, with the whistleblower you work closely with them did not comeharine to me. she passed the memo to one of her contacts. that contact had connections with the antiwar movement. someone within the antiwar m

onef e play: some hilitician decides to gin up controversy by p a racial idea or meme into the coersation doing so through a coded term that allows plausible denia. so think of the phrase, go back where you came from. some people see it as racist.r otople say this doesn't have to do with race at all. or think make america great again or real americans or the american heartland. act 2, t person whose dog eistling about race comes forward andxercises the plausible deniability of these terms and says, hey, me?dn i say anything about race, or as donald trump tweeted, i don't have a racnt bone my body. act three: turn around and say, but you know who is talking about race? it's my critics. my critics have accused me ofa beincist and, since i'm not a racist, they're the real racists becausthey are falsely smearing me with this awful charge of being a racist, and that's the basic drama of this week in american politics. >> reporter: erika, sticking with this, the president sid go back to your home country, fix things there, leave this country. i know your scholarship has looked at how that is pa