An inside look at the security measures keeping Super Bowl fans safe

CBS News - For more and to sign up click here An inside look at the security measures keeping Super Bowl fans safe - CBS News Watch CBS News All eyes are on Las Vegas this weekend as the Super Bowl gets underway at the city's Allegiant Stadium. Security has been increased as the city prepares to host about half a million people. CBS News' Kris Van Cleave reports on the efforts to keep the big game safe. Be the…