Ukrainian President Volodymyr Zelensky travelled to Washington D.C. on Wednesday for his first international trip since Russia invaded Ukraine over 300 days ago. Zelensky met with Biden and spoke to joint session of Congress. Plus, a look back at the year in tech. And, the story of a life-changing journey to Antarctica. Guests: Axios' Mike Allen, Ina Fried and Margaret Talev.Credits: Axios Today is produced by Niala Boodhoo, Sara Kehaulani Goo, Alexandra Botti, Fonda Mwangi, Robin Linn and Alex Sugiura. Music is composed by Evan Viola. You can reach us at podcasts@axios.com. You can text questions, comments and story ideas to Niala as a text or voice memo to 202-918-4893.Go Deeper: Zelensky to America: "Russian tyranny has lost control over us" Chatbot's doomsday scenario for truth New AI chatbot is scary good