
Photo Illustration: Shoshana Gordon/Axios. Photos: Ukrainian Presidency/Handout/Anadolu Agency, Alexey Nikolsky/Sputnik/AFP via Getty Images
In part three of How It Happened: Putin’s Invasion, Axios' Dave Lawler examines the red lines being drawn by Russian President Vladimir Putin and Ukrainian President Volodymyr Zelensky in discussions about possible paths to peace.