[transcript]

20:07 There are ways in which different communities might talk in conspiratorial ways as a kind of protection from the state, from other entities that would do them harm. I mean, there's probably no more canonical example of that than the kinds of stories that black people were telling each other about what was going on with Tuskegee. And people having knowledge or feeling knowledge about something without a way to confirm it. And so what it really taught me and it taught a lot of other folks in that space is to, as a researcher, really try to dig in and figure out, well, what is the driver here? Is it that there is, you know, cultural historic reasons why someone might be making up, you know, stories about the government because, you know, x y and z had already happened.