What is particularly scary about that link is that Peter Jennings at first gives the patriotic and correct answer; however, under the influence of Mike Wallace, Peter Jennings changes his mind and embraces treason.
However, I think his second answer may be more a question of admitting the realities of his own likely cowardice in a combat situation where he'd be putting his life at risk to warn Americans of an ambush. Most of us don't know for sure what we'd do in a hypothetical situation until we're there. Basic training and AIT exist for a reason to develop survival skills before they're needed, and embedded reporters who are not former servicemembers are probably going to act like many other civilians who haven't been trained to deal with combat conditions.
I'll give Jennings the benefit of the doubt. There is no doubt what Wallace said.