millions of refugees and delivered what many consider to be the most important foreign policy speech of the 21st century. earlier in the day he castigated vladimir putin, calling him a butcher. then in his speech at the royal castle in warsaw, joe biden said the quiet part out loud. >> ukraine will never be a victim for russia, for free people refuse to live in a world of hopelessness and darkness. we will have a different future, brighter future, rooted in hope and light, decency and freedom of possibilities. for god's sake this man cannot remain in power. >> that his staff tried to walk his comments back had echos of the reaction to reagan's evil empire speech and his hot mic moment when the gipper joked during an audio check about