Alexei Navalny was the fiercest foe of Russian President Vladimir Putin, a crusader against official corruption who reached the apex of the opposition with bravado and an acute understanding of how social media could circumvent the Kremlin's suffocation of independent news outlets.
Why do the members of the Russian opposition, many of whom had been ministers or State Duma deputies, now have no influence over Russian civil society and have gone into exile, leaving the country where they were a part of the ruling political class only a quarter of a century ago?