@CNN: A brigade of beagles helps the US save billions at America’s busiest airports https://t.co/bF4uRhnSy1 https://t.co/OIpMOtW9ve

@CNN: A brigade of beagles helps the US save billions at America’s busiest airports https://t.co/bF4uRhnSy1 https://t.co/OIpMOtW9ve