(COMBO) This combination of pictures created on August 22, 2025 shows L-R, Ukrainian President Volodymyr Zelensky in Washington, DC, on August 18, 2025, US President Donald Trump on August 22, 2025, in Washington, DC, and Russian President Vladimir Putin in Anchorage, Alaska, on August 15, 2025. US President Donald Trump on Friday said setting up a meeting between Ukrainian President Voldymyr Zelensky and Russian leader Vladimir Putin is as hard as mixing "oil and vinegar." (Photo by Mandel NGAN and ANDREW CABALLERO-REYNOLDS / AFP)