Vladimir Putin began his fifth term as Russian president at a glittering Kremlin ceremony, after destroying his political opposition, launching a devastating war in Ukraine and consolidating power. Already in office for nearly a quarter-century and the longest-serving Kremlin leader since Josef Stalin, Putin’s new term doesn’t expire until 2030, when he is constitutionally eligible to run for yet another six years. He has transformed Russia from a country emerging from economic collapse to a pariah state that threatens global security. The question now is what the 71-year-old Putin will do — both at home and abroad — over the course of another six years. Read morePutin begins his fifth term as president, more in control of Russia than ever