5 key takeaways from a frenetic weekend of Ukraine diplomacy

It was a weekend for the history books. What began with US President Donald Trump furiously berating Ukrainian President Volodymyr Zelensky in the White House ended with a show of European unity in London and vows to wrestle negotiations over the Russia-Ukraine war away from the US.

​ It was a weekend for the history books. What began with US President Donald Trump furiously berating Ukrainian President Volodymyr Zelensky in the White House ended with a show of European unity in London and vows to wrestle negotiations over the Russia-Ukraine war away from the US. Read More Breaking News, Latest News and Videos | CNN