If you have Time Warner Cable, DirecTV or dish, grab your remote and hit the Guide button. That will give you a list of the channel line up and from there you can find History.
There is one effective way to find the history channel schedule on Time Warner Cable. Look through the guide which will allow you to see upcoming shows. If you are looking for something in the...
If I understand you correctly, you're wanting the TV to do a channel search. If that's the case, then you'll find it in the user's menu on your TV's screen, probably under `setup' or something...
Only as objective as the writer's understanding of the subject matter and their point of view. For the most part though, it's really objective as compared to most of today's TV news programs.