Former U.S. ambassador to Russia John Sullivan said Friday that Russian President Vladimir Putin is concerned about his own safety as his lifestyle is being impacted by his ongoing war in Ukraine. CNN host Erin Burnett asked Sullivan during a TV appearance on OutFront about whether he thinks the Russian leader's lifestyle has been affected by the war. She was referring to a recent report that said Putin is now living with his girlfriend at a luxury estate outside of Moscow. Putin's reported luxurious lifestyle has been questioned by some, given the heavy sanctions that the West imposed on Russia...