AdvertisementPutin says Russia will stop participating in its last nuclear treaty with the U.S.Updated February 21, 2023Charles MaynesfacebookEmailRussian President Vladimir Putin delivers his annual state of the nation address at the Gostiny Dvor conference centre in Moscow on February 21, 2023. (SPUTNIK/AFP via Getty Images)This article was originally published on February 21, 2023.