Russia freed an American imprisoned for the last four years. Stephen Hubbard was captured in Eastern Ukraine and convicted of fighting against Russia. The 74-year-old retired teacher was reportedly freed without a swap. U.S. special envoy Steve Witkoff greeted Hubbard in St. Petersburg. He also met with the Russian president and praised Putin in unusually glowing terms. Nick Schifrin reports.

According to reports, Elon Musk ordered the slowdown of Ukraine's Starshield defense systems. Nick Schifrin reports, and Amna Nawaz discusses how the world's richest man gained such power over U.S. security interests with Charles Galbreath, a retired Air Force colonel who focused on space operations during his 30-year military career and is now at the Air Force Association's Mitchell Institute.

Ukrainian President Zelenskyy met with U.S. envoy Steve Witkoff and European officials in Norway in a bid to avoid a further diplomatic rupture with President Trump. Over the past week, Trump has criticized Zelenskyy over Ukraine's efforts to inflict heavy losses on Russia. The meeting was aimed at easing tensions ahead of Witkoff's meeting with Vladimir Putin in Russia. Nick Schifrin reports.

The war of words between President Trump and Ukraine's Volodymyr Zelenskyy reached another fever pitch on Monday. Trump again excoriated the embattled Ukrainian leader, putting more pressure on Zelenskyy than on the man in Moscow who started this war, Vladimir Putin. The president's comments come after the U.S. has limited a key technology that Ukraine relies on. Nick Schifrin reports.