applause] >> to present the national book award for poetry, in the presence of john ashbery, is elizabeth alexanderand her most recent book is "crazed raid radiance." she's the author of five previous books of poetry including "american sub regime line" a finalist for the pulitzer prize, and "the black interior." awards and honors include the wolf lifetime achievement in poetry award, the jackson poetry prize, and many others. it gives me great pleasure now to introduce elizabeth. [applause] >> first, i want to say just thank you to the national book foundation for its continued support of poetry. every poem, every book of poetry, carries voices and histories and traditions along with it. each book of poems takes a reader into an engulfing discreet world of language, yet each also rises from ancestral voices, fellow poets and poems, strange musics converging in the present ear. we think our five beloved books speak across time. we think that each gives us a snapshot of american noise, a sip, a taste, a feast. our work was very hard. i'm so proud to have worked with judges of such intelligence, hear