WASHINGTON (AP) — Republican Sen. Lindsey Graham said Tuesday that he believes President Donald Trump is prepared to “crush” Russia’s economy with a new wave of sanctions if Russian President Vladimir Putin refuses to meet with Ukrainian President Volodymyr Zelenskyy in the coming weeks.

Donald Trump displayed a stunning ignorance of the Cold War during last week’s summit with Russian President Vladimir Putin, according to his biographer. Author Michael Wolff told the Daily Beast podcast Inside Trump’s Head on Tuesday that,

President Trump describes Ukraine peace talks as 'very good early step' following discussions with Zelenskyy and European leaders on security guarantees.

President Volodymyr Zelenskyy thanked First Lady Melania Trump for writing a letter to Russian President Vladimir Putin in which she advocated for the safety of children impacted by war. NBC News’ Monica Alba details how the first lady is influencing peace talks between Russia and Ukraine.

As Trump and the leaders of European countries finished their family photo, the group was preparing to begin the summit in earnest.

President Donald Trump is offering his assurances that U.S. troops won’t be sent to help defend Ukraine against Russia