There's an old bit of cynical wisdom that any prosecutor can convict a guilty man; only an outstanding prosecutor can convict an innocent one.
Regarding the egregious Lawrence O'Donnell, who went on TV with a promoted spot to claim that you shouldn't believe your lying eyes: What's a bit sobering is the fact that O'Donnell will be rewarded for his behavior.
When it comes to hateful hyperpartisans-- look, anyone can tell you the truth. The truth is easy. An honest man spends no time figuring out which lies he's told which people.