Transcript:
James Baldwin: A cop is a cop.
Nikki Giovanni: Well, a cop is a white man. [Laughter]
Baldwin: And you know, yeah, and he may be a very nice man, but I haven't got time to figure that out. All I know is he has a uniform and a gun, you know, and I have to relate to him that way, you know. That's the only way to relate to him, at all. Because one of us is gonna--One of us may have to die.
Giovanni: You know, in New York, there's a big campaign going on to humanize the, uh, policemen. And they have posterboards--uh, billboards up state, and they have a picture of this BIG cop bending over this little blonde girl, and the signs say "a nd some people call him pig." And I wanted to buy--I told a friend of mine I wanted to buy a billboard and show this big cop and this 14 year old kid with thirty bullets in him, and say "and some people call him peacemaker."
Also, from the tweet linked in the notes I found this article on the above conversation, which gives context and includes a link to the full video.