it belongs to rita dove, one of the nation's best-known poets, author of nine volumes of verse, and-- with her husband and fellow writer, fred viebahn-- an accomplished dancer in the studio they built adjacent to their home in charlottesville, virginia. as it turns out, dancing has been one way to let off steam over the past four years as dove took on a major challenge-- sorting through 100 years of poems to create the new "penguin anthology of 20th century american poetry." how to capture such a broad and varied portrait of the country's literary life? dove says she let the poets themselves be her guide. >> i began with the ones you expect, the robert frosts and elizabeth bishop and people like that. and then, i listened to who they were reading, who they were talking to, and began to, you know, fan out that way, which made a big mess, of course. but it was a lively mess, so it was okay. >> brown: well, was it poets or poems that you were more focused on? >> in the beginning, i went with the poets. but then, it became the poems, great poems which somehow encapsulated some energy that