Twenty-four-year-old American Ivory Williams—one of the fastest 100-meter sprinters in the world—will not be allowed to compete on the U.S. Team for this year’s World Indoor Championships. His offense? He tested positive for marijuana. Now Williams, who just last month ran the fastest 60 meters in the world, will be ineligible to compete for the next three months and will have to complete an anti-doping educational program. It’s simply maddening to see a 24-year-old world-class athlete get sidelined…