amy: that is sarah leah whitson, executive director of democracy for the arab world now, or dawn.was founded by the murdered saudi dissident jamal khashoggi. next up, ukrainian president recalls for nato to impose a no-fly zone and is speaking for the u.s. congress today, we speak to historian stephen wertheim. stay with us. ♪♪ [music break] amy: "lemky" by the ukrainian-polish jazz harpist and composer alina bzhezhinska. this is democracy now!, democracynow.org, the war and peace report. i'm amy goodman. the ukrainian president zelensky is giving a virtual address to both chambers of the u.s. congress today. he is expected to repeat his call for nato to impose a no-fly zone. president biden has so far rejected his request, but some have embraced the idea. a group of foreign policy experts have signed on to an open letter opposing a no-fly zone. the letter was co-written by our next guest, stephen wertheim. he is senior fellow in the american statecraft program at the carnegie endowment for international peace and the author of the book "tomorrow, the world: the birth of u.s. glob