Combating the Sochi security threat

The Winter Olympics are just two weeks away and security concerns are growing. Authorities now fear the widow of an Islamist militant – a so-called “Black Widow” - is plotting to target the Sochi Games.

This follows a videotaped terror threat that spread across the internet this weekend and recent bombings that killed dozens of people at one of the main transportation hubs travelers use to get to Sochi. Phil Black has the latest.