Maria Butina: What is Russia achieving in Ukraine?

Stephen Sackur speaks to Maria Butina, a pro-Putin member of Russia’s state Duma. Where does Vladimir Putin’s self-styled 'special military operation' in Ukraine go from here? He expected Kyiv to fall quickly; it didn’t. Ukraine’s determination to resist hasn’t crumbled, despite the terrible human cost. Russian losses mount, and its economy is hurting. In the invasion’s second month, what do Russians think it is achieving?