Russia's 'Fake' Election

Ksenia Sobchak is young, wealthy and famous. Her father helped bring down the Soviet Union. Now she's challenging ex-KGB officer Vladimir Putin for the Russian presidency.
A perfect pedigree? Perhaps. But some say she's a fake candidate, running a no-hope race to boost the Kremlin's democratic credentials.
Gabriel Gatehouse travels to Russia to unravel a tale of family loyalties, a death in suspicious circumstances, and double dealings in the quest for power.