Olha Stefanishyna, Ukrainian Ambassador to the US, discusses why she believes President Trump is upset with Russian President Vladimir Putin. She also talks about how Ukraine is working nonstop to end the war and grant peace. Lastly, she talks about the best way for the US and Ukraine to continue working and if President Zelenskiy will return to Washington. She speaks with Joe Mathieu and Julie Fine on Bloomberg's "Balance of Power: Late Edition" -------- More on Bloomberg Television and