i went to see a professor in my department, peter reuter, one of the most well-respected drug researchers in the nation. acid is gone, i told him. how did you come to this theory, he asked. i can't find it, i said, and none of my friends can either. i knew i sounded like a fool that was all i had. that's not how we do things in this field, he said. drug available goes in cycles. it's not a series of trend, that's just how it is. he pointed to a book behind me. hear, hand me that. he opened the 200 to report produced by the university of michigan and tracks drug use among american teen spirit as you will see, he said running his fingers across the lsd table, u.s has been fairly steady over the last -- he paused and looked up. that's interesting he said, looking at the data for high school students. lsd is at a low, 3.5%. he then continued with his lecture telling me about supply and demand and peaks and valleys and he was certain the numbers would rise in the 2003 survey. drug cycles are widely presumed to be the result of a combination of cultural shifts and effectiveness of drug interdic