As DT alludes to above, most of the cable channel news outlets constitute the Cliff Notes of domestic and international issues and events. They appeal to one's emotions. A viewer attaches themselves to one or the other of them because they assuage the viewers feelings. In-depth analysis of news content by a viewer presents quite a challenge which I'll bet most Americans are unwilling to meet.
"Generosity. That was my first mistake." "Experience must be our only guide; reason may mislead us." "Instagram is Twitter for people who can't read."
