Experts Say Security Threats in Sochi May Already Be Inside

It’s now less than one week until the Winter Olympic Games in Sochi.  And while Russia tightens security, many experts agree that it could be too little, too late, saying that many threats are homegrown. No amount of security can keep out what experts say may already be inside.  Many recall, the bomb blast that rocked the stadium in Chechnya's captial city. It was May 2004, a parade on the 59th anniversary celebration commemorating the defeat of Nazi Germany in World War...

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