Frontline does a 2-hour documentary on the major candidates every presidential election. Have done since '84. They bend over backwards to be dispassionate; reality, however, has a well-known liberal bias.
These are not policy discussions, nor are they wonky; think of the as "VH1 Behind the Music" by one of the best journalistic organizations in the history of media.
I'll put it this way. We now live in a world where Omarosa is opining about fiscal policy on PBS, and a woman whose speeches have been landing her in Time Magazine since she was a college senior is having her competence questioned. It's worth taking the time to get the long view.