Kirill Dmitriev: Russia's Sputnik V a vaccine for humankind?

Right now the world is seeing two sides of Vladimir Putin’s Russia. The one he wants you to see is the scientifically advanced nation offering the world an effective Covid vaccine known as Sputnik V. The one he’d rather you ignore is the repressive authoritarian state that ruthlessly eliminates those who threaten the status quo. Stephen Sackur speaks to Kirill Dmitriev a Putin ally, the boss of one of Russia’s sovereign wealth funds and a key backer of the Russian vaccine.