Why are none of the commentator shows on Fox News Aired Live? All of it's Edited except the News.?

Yeah i remember last time Jon Stewart was on he made an excellent point, but most people never knew because it was edited out and only available to see online. Of course they can't play some interviews in entirety because of time constraints, but they should at least do like Stewart in that case and play everything they can up to a certain point and then throw the rest online.