Emeritus Professor of War Studies Sir Lawrence Freedman told Sky News the US Vice President appeared to be baiting the Ukrainian president during their meeting in the White House. He explain what happened in the Oval Office will not be forgotten and the Russians will be 'ecstatic' with what happened. 'This was a sad and shameful episode' said Professor Freedman. Live updates and analysis: https://news.sky.com/story/trump-zelenskyy-ukraine-war-putin-russia-minerals-deal-live-sky-news-latest-