"CBSN: On Assignment" talks to Russia's leading opposition leader
In episode two of "CBSN: On Assignment," correspondent Ryan Chilcote spends a week in Russia with anti-corruption crusader and opposition figure Alexei Navalny, who is trying to become the country's next president. Watch "CBSN: On Assignment" on Monday, Aug. 7, at 10 p.m. ET/PT on CBS.