Distributed by Icarus Films, 32 Court St., 21st Floor, Brooklyn, NY 11201; 800-876-1710Produced by Venture Film in coproduction with RSI – Radiotelevisione svizzera, Teleclub, Lichtblick Filmproduktion, and Spotlight Media ProductionsDirected by Martin Witz2011, DVD, color and b&w, 81 min. The Substance is a social and cultural history of lysergic acid diethylamide, or LSD. LSD began as an...