I doubt it. I think that MSM journalism is, was, and will be calibrated to prevent that. "Talk radio" is actually journalism which doesn't make the arrogant claim to objectivity. But "objective" journalism presumably will always make itself sufficiently believable to enough people to prevent conservatives from taking over the MSM.
Of course you know my favored solution to that conundrum:
Why Broadcast Journalism is
Unnecessary and Illegitimate
It's my contention that people who tend to watch their pap every night could care less; it supports their skewed vision of the world. You know, the O.J. jury types. Does the truth mean anything to them? Who do they vote for? Never mind ;^)