After reading your cover story, I find that cable TV has simply flooded our airwaves with more sex, violence, and teenage punk junk. Now our children can spend even less time studying and we can spend more time in blank-space stares at the idiot box. Cable would be fine with more educational channels- and fewer cheap thrills aimed at narrow-minded bubble brains.

The following selections were originally submitted as letters to the editor of newspapers and magazines. Determine which of them can, with good reason, be considered arguments. In those that can, identify the conclusion.