Why was Volodymyr Zelenskyy vilified at the White House?

Donald Trump and his Vice President JD Vance’s Oval Office meeting with Volodymyr Zelensky descended into a huge row, such that the Ukrainian President was asked to leave without signing a deal with the US that would have jointly developed Ukraine's valuable minerals as part of a peace-settlement. What, if anything, did Trump and Vance achieve on Friday, and what does their vilification of the Ukrainian president mean?This episode was recorded on the 3rd March. Catch James O'Brien weekdays from 10am on LBC.