russia preparing to host the world for the olympics. of course, the black sea resort town of sochi on super high alert, in light of the terror threat to the games. even as our fbi sends agents to help keep safe. since october, there have been three suicide bombings, just 100 miles away in vogue grad. >> reporter: in the wake of twin terror bombings in sochi's nearest hub, volograd, he says he is convinced they are got their olympic security formula right. >> it didn't change at all. our initial olympic mode in