President Donald Trump has often bragged about his warm relationship with Russia’s Vladimir Putin. But in the months leading up to the leaders’ first meeting in six years, Trump began asking Europeans and White House aides what’s changed about his counterpart.

White House Press Secretary Karoline Leavitt said the summit would amount to a 'listening session' for President Trump on the Russian leader's interest in peace.

Russia has signaled to the U.S. that it may be willing to end the war in Ukraine, Ukrainian President Volodymyr Zelenskyy told reporters Tuesday.