A pair of deadly bomb attacks in the Russian city of Volgograd killed at least 31 people, injured dozens more and sent a violent message just six weeks before the start of the Winter Olympics in Sochi. So far there are no claims of responsibility for the attacks. There are serious questions about whether this is the work of a known Chechen separatist group that vowed to unleash maximum force to disrupt the Sochi Games. Diana Magnay has the latest from Moscow.

What does this mean for security at the Sochi Games? Anderson discussed all of this with former CIA officer Robert Baer and National Security Analyst Fran Townsend.