BY L. J. STECHER If you could ask them, you might be greatly surprised—some tabus very urgently want to be broken! Illustrated by DICK FRANCIS Although as brash as any other ace newspaper reporter for a high school weekly—and there is no one brasher—Garth was scared. His head crest lifted spasmodically and the rudimentary webbing between his fingers twitched. To answer a dare, Garth was about to attempt something that had never been dared before: a newspaper interview with The Visitor. There had