This week marks one year since Russian troops invaded Ukraine, and for the first time since the war began, Joe Biden landed in Kyiv to meet with Ukrainian president, Volodymr Zelenskiy, in what some are calling one of the most important trips by a US president since the end of the cold war. This week, Joan E Greve speaks to Susan Glasser of the New Yorker about the significance of Biden’s trip to Europe and why Republicans at home are criticising him for it