Ukraine struggles to bring the war to Russia

Moscow Mayor Sergei Sobyanin called Kyiv's overnight assault on Moscow one of the largest ever" drone attacks on the Russian capital. Russia said its forces shot down 45 Ukrainian drones in total overnight, including 11 targeting Moscow. At the same time, Kyiv is pressing ahead with its major incursion into Russia's Kursk region. The World's Host Marco Werman speaks with the Carnegie Endowment's Michael Kofman about what Ukraine has achieved in recent weeks.