The embarrassing flap resulting from the 60 Minutes report on Benghazi—broadcasting a sensational interview with a security officer, Dylan Davies, an apparently totally trustworthy, convincing source, who later turned out to be a con artist--makes me shudder. 

I recall the number of times during my thirty years as a producer with 60 Minutes when I only narrowly missed being caught in the same kind of devastating, career-shattering trap.