Questions for Rick Collins? See him at the Legal Muscle booth at the Arnold Classic Bodybuilding Expo in Columbus, OH, on March 3, 4 and 5, 2006. On Wednesday, March 22, 2006, he will be lecturing on “Sports Nutrition: Tainting, Drug Tests and Banned Ingredients” at the Nutraconference in Anaheim, CA. On Saturday, April 8,…