Among the actions taken by the West to punish Moscow for the invasion of Ukraine is the blacklisting of the incredibly rich and politically connected Russian businessmen known as oligarchs.But how could sanctions on Russia’s superwealthy increase the pressure on President Vladimir V. Putin to end the war?Guest: Matt Apuzzo, a reporter for The New York Times, based in Brussels.Have you lost a loved one during the pandemic? The Daily is working on a special episode memorializing those we have lost to the coronavirus. If you would like to share their name on the episode, please RECORD A VOICE MEMO and send it to us at thedaily@nytimes.com. You can find more information and specific instructions here.Background reading: For nearly a decade, sanctions have been little more than names on a list for wealthy Russians. Now, amid the war in Ukraine, governments are working to give them bite.Western investment, law and lobbying firms have previously helped enmesh oligarchs into financial and legal systems.Want more from The Daily? For one big idea on the news each week from our team, subscribe to our newsletter. For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.