Schweitzer wrote, ”Ethics is nothing other than Reverence for Life. The loss of predators and habitats allows disease-carrying animals, such as mosquitoes, ticks and sandflies, to flourish, say the authors. (Full story: The Guardian, March 24)DEAR DR. FOX: Your recent “Musings” piece referring to our present-day dilemma in this country was spot on! (Send all mail to firstname.lastname@example.org or to Dr. Michael Fox in care of Andrews McMeel Syndication, 1130 Walnut St., Kansas City, MO 64106. The volume of mail received prohibits personal replies, but questions and comments of general interest will be discussed in future columns.