Why did Alexei Navalny return to Russia?

After surviving an assassination attempt, the opposition leader returned to Russia - and was immediately arrested and jailed. What does he have to gain by returning home, and can he still lead an effective campaign from prison? Charmaine Cozier asks what does President Putin have to fear in Alexei Navalny's rising popularity, and could his anti-corruption campaign make a difference at the Russian parliamentary elections in September? (Alexei Navalny at Moscow's Sheremetyevo airport upon arrival from Berlin January 17, 2021. Credit: Kirill Kudryatsev /Getty Images)