I don't think Moore is actually a liar. At least not literally a liar. Sometimes he does juxtapose materials in such a way that an audience is likely to draw conclusions that aren't truly warranted.
But I could care less about that.
The big picture he paints is correct enough, and he paints in a marvelously entertaining way.
There's been a lot of controversy about this event. There's going to be a ton of people around because it is homecoming. Maybe there'll be a riot on campus.