Can Putin be prosecuted?

CNN's Phil Black joins Fareed from Lviv, Ukraine with the latest report on Russia’s new commander for the war in Ukraine. Then, former British Prime Minister Gordon Brown calls for the investigation and prosecution of President Vladimir Putin for crimes of aggression in Ukraine. Plus, Meghan O'Sullivan, director of the Geopolitics of Energy Project at Harvard University’s Kennedy School, explains how Europe could wean itself off Russian oil and gas. And, New Yorker writer Masha Gessen explains how Russians see Putin's war.   To learn more about how CNN protects listener privacy, visit cnn.com/privacy