[randita]

David Van Os said that it was CBS’ intention from the outset to cast Bill Burkett in an unfavorable light.

Referring to someone as an "unimpeachable source" is hardly casting them in an unfavorable light.

[Wil H]

Referring to someone as an "unimpeachable source" is hardly casting them in an unfavorable light.

How about Max Cleland calls Rather and tells him that a guy named Burkett has some documents... There's your "unimpeachable source" ...Cleland, not Burkett.