Cronkite was not much different from Couric—you just couldn't as easily debunk what he said without other sources as readily available.
We grew to “trust” them out of our own lack of news sources. We trusted them more during times of war, but the government was throttling them even then, unlike now.
We have no reason to trust CBS or the other media outlets, and must reassess our “fond” memories of prior days with them.
“Whulter’s” desire to “do the right thing” during the civil rights struggle is when and where CBS turned.