Authorities are investigating what caused an instrument landing system at Los Angeles International Airport to fail for the second time in a week. Dozens of flights were delayed. According to the FAA the system went down just before 10:00 a.m. and came back on 40 minutes later. The repeated problems have prompted airport officials to question how well the system was being maintained by the FAA.(AP) Guest host Jon Beaupre talks with FAA spokesman Ian Gregor about the situation.