Moscow expects only a “full or partial capitulation” of Ukraine, but as Kyiv keeps fighting, for Trump, “it’s irrational to play a middleman,” Igar Tyshkevych told Al Jazeera. Meanwhile, the Kremlin’s backers remain puzzled about Trump’s chameleonic mood swings.

In his first interview since leaving office, the 82-year-old criticises his successor's handling of the war and is challenged on his own record.

Biden also said that Trump’s statements about acquiring Panama, Greenland and Canada have bred distrust in Europe.