A Russian reality TV star's longshot bid to challenge Putin

Ksenia Sobchak, one of Russia's most famous women, is embracing an impossible mission: unseating President Vladimir Putin. After an elite upbringing and fame as a reality TV star, she joined massive protests against the Russian president and is now campaigning against him. But she is also highly unpopular and some have called her candidacy a charade. Nick Schifrin reports.