Russian President Vladimir Putin attends a service held by Russian Orthodox Patriarch Krill, right, in the Annunciation Cathedral after Putin’s inauguration ceremony in the Kremlin in Moscow, Russia, on Monday, May 7, 2018. Putin took the oath of office for his fourth term as Russian president and promised to pursue an economic agenda that would boost living standards across the country. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)