By Allan Chernoff CNN Sr. Correspondent (CNN) – Federal investigators are concerned a potential danger persists because of the simultaneous use of intersecting runways at Newark Liberty International Airport, one of the nation's busiest and a gateway to the New York metro area. [cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/images/11/09/faa.gi.art.jpg caption="The FAA says it intends to have new technology … Continue reading Newark runway risks concern feds