Expert has theory why Putin hasn’t responded to Ukraine’s attack on Russian city

CNN global affairs analyst Kimberly Dozier says Russian President Vladimir Putin's muted response to Ukraine's incursion that is threatening the Russian city of Kursk has made her curious. Want to stay up to date on the day’s top stories? Sign up for CNN’s 5 Things newsletter, and we’ll give you the 5 biggest stories you need to know, videos people are watching, and more! Sign up here: https://www.cnn.com/newsletters/5-things?source=nl-acq_social_youtubedesc&utm_source=nl-acq_social_youtubedesc #CNN #News