By , Rick Soul, Jack H. Ott  Cable or Lifeline?  The opinion-
page article "More Sleaze on TV," Sept. 12, states that "84
percent of ... parents are concerned about violence on TV" and
"two-thirds of the public think TV shows have a negative impact
on the country." Why then, do people keep watching TV?  After
years of watching less and less of the 50-some-odd channels on
our TV, my wife and I have taken the bold step of simply
cancelling our cable service. We still enjoy television with our
two small children, but it is all with videotapes. Meanwhile,
I've discovered how wonderful reading books and having free
evenings can be (not to mention no more cable bills).
Recommended: Could you pass a US citizenship test?  A drastic
step? Of course. But maybe it's time for an outraged public to
take a courageous stand.  Rick Soul  Vista, Calif.  Two for the
foresters  When I read the editorial "One for the Forests,"
Sept. 9, it seemed like it was a fund-raising letter for the
Sierra Club. The environmental safeguards